@import url('https://fonts.googleapis.com/css2?family=Sora:wght@600;700;800&family=Manrope:wght@400;500;600;700;800&display=swap');

/* ─── CSS VARIABLES ─── */
:root {
    --bg:           #0e1428;
    --bg-soft:      #161d36;
    --surface:      #1c2542;
    --surface-2:    #232d4f;
    --line:         #2c3760;
    --ink:          #eef1fb;
    --ink-dim:      #9aa3c7;
    --ink-faint:    #6b749b;
    /* Asosiy (brend) rang — bosh (marketing) sahifadagi yashil uslub bilan
       bir xil. --primary/--primary-dark to'q soyalar — oq matn/tugma foni
       uchun yetarli kontrast bilan tanlangan (>=4:1 oq matn bilan).
       --primary-glow — och, yorqin soya — faqat qorong'i fon USTIDAGI
       matn/havolalar uchun (fon sifatida oq matn bilan ISHLATILMASIN,
       kontrast past bo'ladi). */
    --primary:      #0f8f6c;
    --primary-glow: #2dd4a7;
    --amber:        #f5a524;
    /* Muvaffaqiyat rangi endi asosiy rangdan (ikkalasi ham yashil oilasidan
       bo'lsa-da) atayin FARQLI soya — aks holda "muvaffaqiyat" belgisi
       oddiy tugma/havola rangidan ajralib turmay qoladi. */
    --green:        #4ade80;
    --red:          #f56565;
    --blue:         #38bdf8;

    /* Legacy aliases — mavjud templatelar o'zgarishsiz ishlaydi */
    --text:          var(--ink);
    --text-light:    var(--ink-dim);
    --border:        var(--line);
    --white:         var(--surface);
    --danger:        var(--red);
    --warning:       var(--amber);
    --info:          var(--blue);
    --primary-dark:  #0b6b52;
    --primary-light: rgba(15,143,108,0.12);
    --primary-mid:   var(--primary-glow);

    --sidebar-w: 260px;
    --radius:    14px;
    --shadow:    0 4px 24px rgba(0,0,0,0.4);
}

/* ─── RESET ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ─── BODY ─── */
html {
    /* Har qanday elementdan tasodifan chiqib ketgan kenglik butun sahifani
       gorizontal scroll qildirmasin — ichki maxsus joylar (.table-wrap va h.k.)
       o'zining ichki scroll'idan foydalanadi. */
    overflow-x: hidden;
    width: 100%;
}

body {
    font-family: 'Manrope', 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--ink);
    font-size: 14px;
    line-height: 1.55;
    min-height: 100vh;
    overflow-x: hidden;
    width: 100%;
}

/* Rasmlar hech qachon o'z konteynerdan kattaroq chiqmasin */
img, svg { max-width: 100%; height: auto; }

/* Grid texture */
body::before {
    content: '';
    position: fixed; inset: 0;
    background-image:
        linear-gradient(rgba(45,212,167,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(45,212,167,0.04) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
    z-index: 0;
}

/* Top-right glow */
body::after {
    content: '';
    position: fixed;
    top: -20%; right: -10%;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(45,212,167,0.12) 0%, transparent 65%);
    pointer-events: none;
    z-index: 0;
}

/* ─── LAYOUT ─── */
.layout {
    display: flex;
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

/* ─── SIDEBAR ─── */
.sidebar {
    width: var(--sidebar-w);
    background: rgba(22,29,54,0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--line);
    position: fixed;
    top: 0; left: 0; bottom: 0;
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform 0.28s ease;
    overflow-y: auto;
}

.sidebar::-webkit-scrollbar { width: 3px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: var(--line); border-radius: 4px; }

.sidebar-logo {
    padding: 18px 20px 15px;
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    gap: 11px;
    flex-shrink: 0;
}

.sidebar-logo-img {
    width: 40px; height: 40px;
    border-radius: 12px;
    object-fit: cover;
    flex-shrink: 0;
    background: var(--primary);
}

.sidebar-logo-name {
    color: var(--ink);
    font-family: 'Sora', sans-serif;
    font-size: 13.5px;
    font-weight: 700;
    line-height: 1.2;
}

.sidebar-logo-name span {
    display: block;
    color: var(--ink-faint);
    font-size: 11px;
    font-weight: 500;
    margin-top: 2px;
}

.sidebar-user {
    padding: 13px 20px;
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.avatar {
    width: 36px; height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    font-weight: 700; font-size: 15px;
    flex-shrink: 0;
    font-family: 'Sora', sans-serif;
}

.sidebar-user-info { flex: 1; overflow: hidden; }
.sidebar-user-info .name {
    color: var(--ink);
    font-size: 13px; font-weight: 600;
    /* To'liq ism-familiya (masalan "ABDULLAYEV NODIRBEK") hech qachon
       kesilib qolmasin — ellipsis o'rniga 2 qatorgacha to'liq ko'rsatiladi. */
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
    overflow: hidden; line-height: 1.3;
}
.sidebar-user-info .role {
    color: var(--ink-faint);
    font-size: 11px;
    margin-top: 1px;
}

.sidebar-nav { padding: 6px 0; flex: 1; }

.nav-section {
    padding: 12px 20px 4px;
    color: var(--ink-faint);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    font-weight: 700;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 20px;
    color: var(--ink-dim);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 500;
    border-left: 3px solid transparent;
    transition: all 0.18s;
    margin: 1px 0;
}

.nav-item:hover {
    background: rgba(45,212,167,0.1);
    color: var(--ink);
    border-left-color: rgba(45,212,167,0.45);
}

.nav-item.active {
    background: linear-gradient(90deg, rgba(45,212,167,0.22) 0%, rgba(45,212,167,0.04) 100%);
    color: var(--primary-glow);
    border-left-color: var(--primary);
    font-weight: 600;
}

.nav-item .icon { width: 20px; text-align: center; font-size: 15px; }
.nav-badge {
    margin-left: auto; display: none;
    background: var(--red); color: #fff; border-radius: 999px;
    font-size: 10.5px; font-weight: 700; min-width: 18px; height: 18px;
    line-height: 18px; text-align: center; padding: 0 5px;
}

.sidebar-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--line);
    flex-shrink: 0;
}

.sidebar-footer a {
    color: var(--ink-faint);
    text-decoration: none;
    font-size: 13px;
    display: flex; align-items: center; gap: 8px;
    padding: 8px 0;
    transition: color 0.18s;
}
.sidebar-footer a:hover { color: var(--red); }

/* ─── MAIN CONTENT ─── */
.main-content {
    margin-left: var(--sidebar-w);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    /* .layout ning yagona flex elementi bo'lgani uchun standart
       min-width:auto — ichida keng jadval (nowrap sarlavhalar bilan)
       bo'lsa, shu element BUTUN sahifani kengaytirib yuborardi (body
       overflow-x:hidden esa buni sirtdan "yashirardi", natijada na
       sahifa, na jadval scroll bo'lardi — o'ng ustunlar butunlay
       ko'rinmay qolardi). min-width:0 bilan bu element viewport
       kengligidan chiqmaydi va ichkaridagi .table-wrap o'zining
       overflow-x:auto bilan to'g'ri scroll qiladi. */
    min-width: 0;
}

/* ─── TOPBAR ─── */
.topbar {
    background: rgba(14,20,40,0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
    padding: 0 28px;
    height: 62px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky; top: 0;
    z-index: 50;
}

.topbar-left { display: flex; align-items: center; gap: 14px; }

.topbar-left h1 {
    font-family: 'Sora', sans-serif;
    font-size: 17px; font-weight: 700;
    color: var(--ink); line-height: 1;
}

.topbar-greeting { display: flex; flex-direction: column; gap: 2px; }
.topbar-greeting .greeting-main {
    font-family: 'Sora', sans-serif;
    font-size: 15px; font-weight: 700; color: var(--ink);
}
.topbar-greeting .greeting-sub { font-size: 11px; color: var(--ink-faint); }

.topbar-right { display: flex; align-items: center; gap: 10px; }

.hamburger {
    display: none;
    background: none; border: none; cursor: pointer;
    font-size: 20px; color: var(--ink);
    padding: 6px; border-radius: 8px;
    transition: background 0.18s;
}
.hamburger:hover { background: var(--surface-2); }

/* ─── PAGE BODY ─── */
.page-body {
    padding: 24px 28px;
    min-height: calc(100vh - 62px);
    box-sizing: border-box;
}

/* ─── RESPONSIVE: 1440px+ — Katta ekran: kontent cheksiz cho'zilmasin ─── */
@media (min-width: 1440px) {
    .page-body {
        max-width: 1600px;
        margin-left: auto;
        margin-right: auto;
    }
}

/* ─── STAT CARDS ─── */
/* Spec: telefon (≤767px) = 1 ustun, planshet (768-1023px) = 2 ustun,
   noutbuk+ (≥1024px) = 4 ustun. Sahifada aniq son (masalan 3 ta kartochka)
   kerak bo'lsa, shablon o'zi inline `style="grid-template-columns:repeat(3,1fr)"`
   bilan bu standart qiymatni bekor qiladi. */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}
@media (max-width: 1023px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767px) {
    .stats-grid { grid-template-columns: 1fr; }
}

/* 3 ta kartochkali variant (masalan oylik hisobot sahifalari) — planshet+da
   3 ustunda qatorga sig'adi, telefonda baribir 1 ustunga tushadi. */
.stats-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
@media (max-width: 767px) {
    .stats-grid-3 { grid-template-columns: 1fr; gap: 10px; }
}

.stat-card {
    background: linear-gradient(155deg, var(--surface) 0%, var(--bg-soft) 100%);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(45,212,167,0.15);
}

.stat-card-clickable { cursor: pointer; }
.stat-card-clickable:hover { border-color: rgba(45,212,167,0.4); }
.stat-card-clickable.active {
    border-color: var(--primary);
    box-shadow: 0 0 0 1px var(--primary), 0 4px 20px rgba(45,212,167,0.25);
}

.stat-icon {
    width: 50px; height: 50px;
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.stat-icon.green  { background: rgba(74,222,128,0.14); }
.stat-icon.blue   { background: rgba(56,189,248,0.14); }
.stat-icon.orange { background: rgba(245,165,36,0.14); }
.stat-icon.red    { background: rgba(245,101,101,0.14); }
.stat-icon.purple { background: rgba(139,92,246,0.14); }

.stat-info h3 {
    font-family: 'Sora', sans-serif;
    font-size: 24px; font-weight: 800;
    color: var(--ink); line-height: 1;
}

.stat-info p { color: var(--ink-dim); font-size: 12px; margin-top: 5px; }

/* ─── CARDS ─── */
.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    margin-bottom: 20px;
    overflow: hidden;
}

.card-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--line);
    display: flex; align-items: center;
    justify-content: space-between;
    flex-wrap: wrap; gap: 10px;
}

.card-header h2 {
    font-family: 'Sora', sans-serif;
    font-size: 15px; font-weight: 700; color: var(--ink);
}

.card-body { padding: 20px; }

/* ─── TABLE ─── */
.table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

table { width: 100%; border-collapse: collapse; }

th {
    background: var(--surface-2);
    color: var(--ink-faint);
    font-size: 11px; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.7px;
    padding: 10px 14px; text-align: left;
    white-space: nowrap;
    border-bottom: 1px solid var(--line);
}

td {
    padding: 11px 14px;
    border-bottom: 1px solid var(--line);
    font-size: 13.5px; color: var(--ink);
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(45,212,167,0.05); }

/* ─── TABLE: gorizontal scroll bilan birinchi ustun yopishqoq (sticky) ───
   Jadval ekranga sig'masa (telefon/planshet), .table-wrap ichida gorizontal
   scroll ishlaydi va birinchi ustun (odatda ID yoki ism) joyida qoladi —
   foydalanuvchi qaysi qatorni ko'rayotganini yo'qotmaydi. */
.table-wrap {
    position: relative;
}
.table-wrap table th:first-child,
.table-wrap table td:first-child {
    position: sticky;
    left: 0;
}
.table-wrap table th:first-child { z-index: 3; background: var(--surface-2); }
.table-wrap table td:first-child { z-index: 2; background: var(--surface); }
.table-wrap table tr:hover td:first-child { background: #232d4f; }

/* Scroll mavjudligini bildiruvchi soya (o'ng chetda) — main.js
   (initScrollHints) jadval haqiqatan sig'masa .has-overflow klassini qo'shadi. */
.table-wrap.has-overflow::after {
    content: '';
    position: absolute;
    top: 0; right: 0; bottom: 0;
    width: 26px;
    background: linear-gradient(to right, transparent, rgba(28,37,66,0.9) 80%);
    pointer-events: none;
    z-index: 4;
}

/* ─── TABLE → KARTOCHKA (mobil, faqat .cards-on-mobile belgilangan
   jadvallarda) ─── main.js (initResponsiveCards) har td'ga tegishli ustun
   sarlavhasini data-label sifatida avtomatik yozadi — shablonda qo'lda
   o'zgartirish shart emas, faqat .table-wrap'ga "cards-on-mobile" klassi
   qo'shiladi. Faqat telefon kengligida ishga tushadi — planshetda jadval
   ko'rinishi saqlanadi. */
@media (max-width: 767px) {
    .table-wrap.cards-on-mobile { overflow-x: visible; }
    .table-wrap.cards-on-mobile::after { display: none; }
    .table-wrap.cards-on-mobile table,
    .table-wrap.cards-on-mobile table thead,
    .table-wrap.cards-on-mobile table tbody,
    .table-wrap.cards-on-mobile table tr,
    .table-wrap.cards-on-mobile table td {
        display: block;
        width: 100%;
    }
    .table-wrap.cards-on-mobile table thead { display: none; }
    .table-wrap.cards-on-mobile table tfoot { display: none; }
    .table-wrap.cards-on-mobile table tr {
        border: 1px solid var(--line);
        border-radius: 12px;
        margin-bottom: 10px;
        padding: 4px 14px;
        background: var(--surface-2);
    }
    .table-wrap.cards-on-mobile table tr:hover td { background: transparent; }
    .table-wrap.cards-on-mobile table td {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        border-bottom: 1px solid var(--line);
        padding: 9px 0;
        position: static !important;
        background: transparent !important;
        text-align: right;
        white-space: normal;
    }
    .table-wrap.cards-on-mobile table td:last-child { border-bottom: none; }
    .table-wrap.cards-on-mobile table td::before {
        content: attr(data-label);
        font-size: 10.5px;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.4px;
        color: var(--ink-faint);
        text-align: left;
        margin-right: 10px;
        flex-shrink: 0;
    }
    .table-wrap.cards-on-mobile table td:not([data-label])::before { content: none; }
    .table-wrap.cards-on-mobile table td:not([data-label]) { justify-content: flex-end; }
}

/* ─── BADGES ─── */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11.5px; font-weight: 700;
    white-space: nowrap;
}

.badge-success   { background: rgba(74,222,128,0.15);  color: var(--green); }
.badge-warning   { background: rgba(245,165,36,0.15);  color: var(--amber); }
.badge-danger    { background: rgba(245,101,101,0.15); color: var(--red); }
.badge-info      { background: rgba(56,189,248,0.15);  color: var(--blue); }
.badge-secondary { background: rgba(107,116,155,0.18); color: var(--ink-dim); }

/* ─── BUTTONS ─── */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 16px;
    border-radius: 9px; border: none;
    cursor: pointer;
    font-size: 13px; font-weight: 600;
    text-decoration: none;
    transition: all 0.18s;
    white-space: nowrap;
    font-family: 'Manrope', sans-serif;
    line-height: 1;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    box-shadow: 0 2px 12px rgba(15,143,108,0.35);
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 18px rgba(15,143,108,0.5);
    color: #fff;
}

.btn-danger {
    background: rgba(245,101,101,0.14);
    color: var(--red);
    border: 1.5px solid rgba(245,101,101,0.3);
}
.btn-danger:hover { background: rgba(245,101,101,0.24); }

.btn-warning {
    background: rgba(245,165,36,0.14);
    color: var(--amber);
    border: 1.5px solid rgba(245,165,36,0.3);
}
.btn-warning:hover { background: rgba(245,165,36,0.24); }

.btn-outline {
    background: transparent;
    border: 1.5px solid var(--line);
    color: var(--ink-dim);
}
.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary-glow);
    background: rgba(45,212,167,0.06);
}

.btn-sm  { padding: 5px 10px; font-size: 12px; }
.btn-icon { padding: 6px 8px; min-width: 32px; justify-content: center; }

/* ─── FORMS ─── */
.form-group { margin-bottom: 16px; }

label {
    display: block;
    font-size: 11.5px; font-weight: 700;
    color: var(--ink-dim);
    margin-bottom: 6px;
    text-transform: uppercase; letter-spacing: 0.5px;
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="tel"],
input[type="email"],
select,
textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--line);
    border-radius: 9px;
    font-size: 13.5px;
    color: var(--ink);
    background: var(--bg-soft);
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
    font-family: 'Manrope', sans-serif;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(45,212,167,0.14);
}

input::placeholder, textarea::placeholder { color: var(--ink-faint); }

select {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='11' height='7' viewBox='0 0 11 7'%3E%3Cpath fill='%239aa3c7' d='M5.5 7L0 0h11z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-color: var(--bg-soft);
    padding-right: 36px;
}

textarea { resize: vertical; min-height: 90px; }

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 14px;
}

/* Ikkita teng ustunli forma qatori (masalan "Sana" + "Savollar soni") —
   640px dan kichik ekranda ustma-ust tushadi. Shablonlarda inline
   `style="display:grid;grid-template-columns:1fr 1fr"` o'rniga shu klass
   ishlatiladi. */
.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
@media (max-width: 640px) {
    .form-row-2 { grid-template-columns: 1fr; }
}

/* ─── ATTENDANCE BUTTONS ─── */
.att-btn-group { display: flex; gap: 4px; }

.att-btn {
    padding: 5px 10px;
    border-radius: 7px;
    border: 1.5px solid var(--line);
    cursor: pointer;
    font-size: 12px; font-weight: 600;
    background: var(--surface-2);
    color: var(--ink-dim);
    transition: all 0.15s;
    font-family: 'Manrope', sans-serif;
}

.att-btn:hover { opacity: 0.85; }

.att-btn.keldi   { background: rgba(74,222,128,0.1);  color: var(--green); border-color: rgba(74,222,128,0.3); }
.att-btn.kech    { background: rgba(245,165,36,0.1);   color: var(--amber); border-color: rgba(245,165,36,0.3); }
.att-btn.kelmadi { background: rgba(245,101,101,0.1);  color: var(--red);   border-color: rgba(245,101,101,0.3); }

.att-btn.selected.keldi   { background: var(--green);  color: #001; border-color: var(--green);  box-shadow: 0 2px 10px rgba(74,222,128,0.35); }
.att-btn.selected.kech    { background: var(--amber);   color: #111; border-color: var(--amber);  box-shadow: 0 2px 10px rgba(245,165,36,0.35); }
.att-btn.selected.kelmadi { background: var(--red);     color: #fff; border-color: var(--red);    box-shadow: 0 2px 10px rgba(245,101,101,0.35); }

/* ─── PROGRESS BAR ─── */
.progress {
    background: var(--surface-2);
    border-radius: 10px; height: 6px;
    overflow: hidden; min-width: 60px;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-glow) 100%);
    border-radius: 10px; transition: width 0.4s;
}
.progress-bar.low { background: var(--red); }
.progress-bar.mid { background: var(--amber); }

/* ─── CHAT (Xabarlar) ─── */
.chat-thread-list { display: flex; flex-direction: column; gap: 10px; }
.chat-thread-card {
    display: flex; align-items: center; gap: 14px;
    padding: 16px 18px; border-radius: 14px;
    background: var(--surface); border: 1px solid var(--line);
    text-decoration: none; transition: border-color 0.15s, transform 0.15s;
}
.chat-thread-card:hover { border-color: var(--primary); transform: translateY(-1px); }
.chat-thread-card.disabled { opacity: 0.6; cursor: not-allowed; }
.chat-thread-avatar {
    width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-weight: 700; font-size: 17px; font-family: 'Sora', sans-serif;
}
.chat-thread-body { flex: 1; min-width: 0; }
.chat-thread-name { font-weight: 700; font-size: 14px; color: var(--ink); }
.chat-thread-preview {
    font-size: 12.5px; color: var(--ink-dim); margin-top: 3px;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.chat-thread-meta { text-align: right; flex-shrink: 0; display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }
.chat-thread-time { font-size: 11px; color: var(--ink-faint); }
.chat-unread-badge {
    background: var(--red); color: #fff; border-radius: 999px;
    font-size: 11px; font-weight: 700; min-width: 20px; height: 20px;
    line-height: 20px; text-align: center; padding: 0 6px;
}

.chat-messages {
    display: flex; flex-direction: column; gap: 10px;
    padding: 18px; max-height: 60vh; overflow-y: auto;
    background: var(--bg-soft); border-radius: 14px; border: 1px solid var(--line);
}
.chat-bubble-row { display: flex; }
.chat-bubble-row.me { justify-content: flex-end; }
.chat-bubble {
    max-width: min(72%, 480px);
    padding: 10px 14px; border-radius: 14px;
    background: var(--surface); border: 1px solid var(--line);
    font-size: 13.5px; line-height: 1.5;
}
.chat-bubble-row.me .chat-bubble {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff; border-color: transparent;
}
.chat-bubble-text { white-space: pre-wrap; word-break: break-word; }
.chat-bubble-meta {
    display: flex; align-items: center; gap: 6px; margin-top: 6px;
    font-size: 10.5px; opacity: 0.75;
}
.chat-source-tag {
    display: inline-flex; align-items: center; gap: 3px;
    padding: 1px 6px; border-radius: 999px; font-size: 9.5px; font-weight: 700;
    background: rgba(255,255,255,0.18);
}
.chat-bubble-row:not(.me) .chat-source-tag { background: var(--surface-2); color: var(--ink-faint); }

.chat-reply-form { display: flex; gap: 10px; margin-top: 14px; align-items: flex-end; }
.chat-reply-form textarea {
    flex: 1; resize: vertical; min-height: 46px; max-height: 160px;
}
.chat-empty { text-align: center; padding: 40px 20px; color: var(--ink-dim); font-size: 13px; }

@media (max-width: 767px) {
    .chat-thread-card { padding: 13px 14px; gap: 10px; }
    .chat-messages { max-height: 50vh; padding: 12px; }
    .chat-bubble { max-width: 86%; }
    .chat-reply-form { flex-direction: column; align-items: stretch; }
}

/* ─── MODAL ─── */
.modal-overlay {
    display: none;
    position: fixed; inset: 0;
    background: rgba(5,8,22,0.78);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    z-index: 1000;
    align-items: center; justify-content: center;
    padding: 16px;
}
.modal-overlay.open { display: flex; }
/* Juda past ekranda (masalan gorizontal telefon) zaxira: modal 90vh dan
   oshsa ham overlay o'zi siljiy oladi. */
.modal-overlay { overflow-y: auto; overscroll-behavior: contain; }

/* Modal ochiq — orqadagi sahifa siljimasin (static/main.js: initModalScrollLock).
   Sichqoncha g'ildiragi/trackpad modal chekkasiga yetganda sahifa "sirg'alib"
   ketmaydi; yopilganda `modal-open` klassi olib tashlanadi. */
body.modal-open { overflow: hidden; }

.modal {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    width: 100%; max-width: 520px;
    max-height: 90vh;
    /* Flex-ustun: header/footer doim joyida qoladi, faqat body ichida
       scroll bo'ladi — "Saqlash/Bekor" tugmalari uzun forma bilan ham
       ekrandan chiqib ketmaydi. */
    display: flex;
    flex-direction: column;
    box-shadow: 0 24px 64px rgba(0,0,0,0.55);
    animation: modalIn 0.18s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.96) translateY(-8px); }
    to   { opacity: 1; transform: scale(1)    translateY(0); }
}

.modal-header {
    padding: 17px 22px;
    border-bottom: 1px solid var(--line);
    display: flex; align-items: center; justify-content: space-between;
    flex-shrink: 0;
}

.modal-header h3 {
    font-family: 'Sora', sans-serif;
    font-size: 15px; font-weight: 700; color: var(--ink);
}

.modal-close {
    background: none; border: none;
    font-size: 16px; cursor: pointer;
    color: var(--ink-faint); padding: 4px 8px;
    border-radius: 6px; transition: all 0.15s;
}
.modal-close:hover { background: var(--surface-2); color: var(--ink); }

/* Modal ichidagi <form> — .modal-box (flex-ustun) bilan .modal-body orasida
   turadi. U ham flex-ustun bo'lishi SHART: aks holda forma `min-height:auto`
   bilan to'liq kontent balandligida qoladi, .modal-body dagi `overflow-y:auto`
   hech qachon ishga tushmaydi va uzun forma (masalan "Yangi test yaratish")
   modal pastidan kesilib, "Saqlash" tugmasiga yetib bo'lmaydi. */
.modal > form,
.modal-box > form {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    min-height: 0;
    overflow: hidden;
}

.modal-body {
    padding: 22px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;   /* modal oxirida sahifa orqada siljib ketmasin */
    flex: 1 1 auto;
    min-height: 0; /* flex ichida scroll ishlashi uchun shart */
}
.modal-footer {
    padding: 14px 22px;
    border-top: 1px solid var(--line);
    display: flex; gap: 10px; justify-content: flex-end;
    flex-shrink: 0;
    flex-wrap: wrap;
    /* Pastda yopishqoq: uzun formada ham "Saqlash" doim ko'rinib turadi. */
    position: sticky;
    bottom: 0;
    background: var(--surface);
    z-index: 1;
}

/* ─── ALERTS ─── */
.alert {
    padding: 11px 15px; border-radius: 9px;
    margin-bottom: 16px; font-size: 13px;
    display: flex; align-items: center; gap: 8px;
}
.alert-success { background: rgba(74,222,128,0.1);  color: var(--green); border: 1px solid rgba(74,222,128,0.25); }
.alert-warning { background: rgba(245,165,36,0.1);  color: var(--amber); border: 1px solid rgba(245,165,36,0.25); }
.alert-danger  { background: rgba(245,101,101,0.1); color: var(--red);   border: 1px solid rgba(245,101,101,0.25); }
.alert-info    { background: rgba(56,189,248,0.1);  color: var(--blue);  border: 1px solid rgba(56,189,248,0.25); }

/* ─── SEARCH BAR ─── */
.search-bar {
    display: flex; gap: 10px;
    flex-wrap: wrap; align-items: flex-end;
}
.search-bar input, .search-bar select { max-width: 240px; }

/* ─── LOGIN PAGE ─── */
.login-page {
    min-height: 100vh; position: relative; z-index: 1;
    display: flex; align-items: center; justify-content: center;
    padding: 16px;
}

.login-box {
    background: linear-gradient(155deg, var(--surface) 0%, var(--bg-soft) 100%);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 44px 40px;
    width: 100%; max-width: 400px;
    box-shadow: 0 24px 64px rgba(0,0,0,0.5), 0 0 0 1px rgba(45,212,167,0.1);
}

.login-logo { text-align: center; margin-bottom: 30px; }

.login-logo-img {
    width: 80px; height: 80px;
    border-radius: 20px;
    object-fit: cover;
    display: block; margin: 0 auto 14px;
    box-shadow: 0 4px 24px rgba(45,212,167,0.35);
}

.login-logo h1 {
    font-family: 'Sora', sans-serif;
    font-size: 19px; font-weight: 700;
    color: var(--ink); line-height: 1.3;
}

.login-logo p { color: var(--ink-dim); font-size: 13px; margin-top: 4px; }

.error-msg {
    background: rgba(245,101,101,0.12);
    color: var(--red);
    border: 1px solid rgba(245,101,101,0.3);
    border-radius: 9px;
    padding: 10px 14px; font-size: 13px;
    margin-bottom: 16px;
}

/* ─── RASM KATTALASHTIRISH (lightbox) — testda va natijada savol rasmini
   bosganda to'liq ekranga chiqaradi. Global (sahifadan mustaqil), shuning
   uchun standalone (base.html'siz) test/natija sahifalarida ham ishlaydi. ─── */
.lightbox-overlay {
    display: none; position: fixed; inset: 0; z-index: 2000;
    background: rgba(5,8,22,0.92);
    align-items: center; justify-content: center; padding: 20px;
}
.lightbox-overlay.open { display: flex; }
.lightbox-overlay img {
    max-width: min(1100px, 96vw); max-height: 92vh; border-radius: 12px;
    object-fit: contain; box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.lightbox-close {
    position: absolute; top: 18px; right: 22px; width: 40px; height: 40px;
    border-radius: 50%; border: none; background: rgba(255,255,255,0.12); color: #fff;
    font-size: 18px; cursor: pointer; display: flex; align-items: center; justify-content: center;
    transition: background 0.15s;
}
.lightbox-close:hover { background: rgba(255,255,255,0.24); }

/* ─── ONLAYN TEST ISHLASH (saytda, rasm asosida) ─── */
.test-box { max-width: 640px; }

.test-progress {
    display: flex; align-items: center; gap: 12px; margin-bottom: 20px;
}
.test-progress-bar {
    flex: 1; height: 8px; border-radius: 999px; background: var(--surface-2); overflow: hidden;
}
.test-progress-fill {
    height: 100%; background: linear-gradient(90deg, var(--primary) 0%, var(--primary-glow) 100%);
    border-radius: 999px; transition: width 0.25s ease;
}
.test-progress-count { font-size: 12.5px; font-weight: 700; color: var(--ink-dim); white-space: nowrap; }

.test-question-image-wrap {
    border-radius: 14px; overflow: hidden; border: 1px solid var(--line);
    background: var(--bg-soft); margin-bottom: 18px; cursor: zoom-in; position: relative;
}
.test-question-image-wrap img { width: 100%; display: block; }
.test-question-image-wrap .zoom-hint {
    position: absolute; right: 8px; bottom: 8px;
    background: rgba(6,12,11,0.65); color: #fff; font-size: 11px;
    padding: 4px 9px; border-radius: 999px; pointer-events: none;
}

.test-answer-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 0; }
.test-answer-btn {
    position: relative;
    display: flex; align-items: center; justify-content: center; gap: 8px;
    padding: 18px 10px; border-radius: 14px;
    border: 2px solid var(--line); background: var(--surface);
    font-family: 'Sora', sans-serif; font-size: 18px; font-weight: 700; color: var(--ink);
    cursor: pointer; transition: all 0.15s;
}
.test-answer-btn input[type="radio"] {
    position: absolute; opacity: 0; width: 0; height: 0; margin: 0; pointer-events: none;
}
.test-answer-btn .letter {
    width: 32px; height: 32px; border-radius: 50%; background: var(--surface-2);
    display: flex; align-items: center; justify-content: center; font-size: 14px;
    flex-shrink: 0;
}
.test-answer-btn:hover { border-color: var(--primary); }
.test-answer-btn.selected {
    border-color: var(--primary); background: var(--primary-light); color: var(--primary-glow);
}
.test-answer-btn.selected .letter { background: var(--primary); color: #fff; }

/* ─── BARCHA SAVOLLAR BITTA SAHIFADA (test_take_all.html) ───
   Bu sahifa uzun bo'lgani uchun .login-page/.login-box (markazlashgan,
   qisqa forma uchun mo'ljallangan) o'rniga o'z (butun sahifa, tepada va
   pastda viewport'ga "sticky"/"fixed" panelli) tartibidan foydalanadi. */
.test-all-page { min-height: 100vh; padding-bottom: 96px; position: relative; z-index: 1; }
.test-all-container { max-width: 780px; margin: 0 auto; padding: 0 16px; }

.test-all-head {
    position: sticky; top: 0; z-index: 5;
    background: var(--bg);
    margin: 0 -16px 18px; padding: 18px 16px 14px;
    border-bottom: 1px solid var(--line);
}
.test-all-title {
    font-family: 'Sora', sans-serif; font-size: 16px; font-weight: 700;
    color: var(--ink); margin-bottom: 12px;
}
.test-all-head .test-progress { margin-bottom: 10px; }

.test-jump-strip {
    display: flex; gap: 6px; overflow-x: auto; padding: 2px 2px 4px;
    scrollbar-width: thin;
}
.test-jump-item {
    flex-shrink: 0; width: 30px; height: 30px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    border: 2px solid var(--line); background: var(--surface);
    color: var(--ink-dim); font-size: 12px; font-weight: 700;
    text-decoration: none; transition: all 0.15s;
}
.test-jump-item.answered {
    border-color: var(--primary); background: var(--primary-light); color: var(--primary-glow);
}

.test-q-list { display: flex; flex-direction: column; gap: 16px; padding-top: 4px; }
.test-q-card {
    padding: 18px; border-radius: 14px; border: 2px solid var(--line);
    background: var(--surface); scroll-margin-top: 130px; transition: border-color 0.2s, background 0.2s;
}
.test-q-card.unanswered { border-color: rgba(245,101,101,0.4); background: rgba(245,101,101,0.04); }
.test-q-card.flash { border-color: var(--primary-glow); box-shadow: 0 0 0 3px rgba(45,212,167,0.25); }
.test-q-num {
    font-family: 'Sora', sans-serif; font-size: 13px; font-weight: 700;
    color: var(--ink-dim); margin-bottom: 12px;
}
.test-open-input {
    width: 100%; font-size: 16px; padding: 13px 14px; text-align: center;
}

.test-all-footer {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 6;
    display: flex; align-items: center; justify-content: space-between; gap: 14px;
    padding: 12px 18px calc(12px + env(safe-area-inset-bottom, 0px));
    background: var(--bg-soft); border-top: 1px solid var(--line);
    box-shadow: 0 -8px 24px rgba(0,0,0,0.35);
}
.test-all-footer-count { font-size: 12.5px; font-weight: 700; color: var(--ink-dim); white-space: nowrap; }
.test-finish-btn { padding: 13px 26px; }

.test-result-score {
    text-align: center; padding: 24px 0 8px;
}
.test-result-score .pct {
    font-family: 'Sora', sans-serif; font-size: 44px; font-weight: 800; color: var(--ink);
}
.test-result-score .label { font-size: 14px; font-weight: 700; margin-top: 4px; }
.test-result-score .label.success { color: var(--green); }
.test-result-score .label.warning { color: var(--amber); }
.test-result-score .label.danger { color: var(--red); }
.test-result-score .sub { font-size: 12.5px; color: var(--ink-dim); margin-top: 6px; }

.test-breakdown-item {
    display: flex; gap: 12px; padding: 14px; border-radius: 12px;
    border: 1px solid var(--line); background: var(--surface); margin-bottom: 10px;
}
.test-breakdown-item.wrong { border-color: rgba(245,101,101,0.35); background: rgba(245,101,101,0.05); }
.test-breakdown-item.correct { border-color: rgba(74,222,128,0.35); background: rgba(74,222,128,0.05); }
.test-breakdown-item img { width: 64px; height: 64px; border-radius: 8px; object-fit: cover; flex-shrink: 0; cursor: zoom-in; }
.test-breakdown-item .body { flex: 1; font-size: 12.5px; }
.test-breakdown-item .body .row { margin-top: 3px; }

@media (max-width: 767px) {
    .test-box { padding: 26px 20px; }
    .test-answer-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .test-answer-btn { padding: 16px 8px; font-size: 16px; min-height: 56px; }

    .test-all-container { padding: 0 12px; }
    .test-all-head { margin: 0 -12px 14px; padding: 14px 12px 12px; }
    .test-all-title { font-size: 14.5px; }
    .test-q-card { padding: 14px; }
    .test-all-footer { padding: 10px 14px calc(10px + env(safe-area-inset-bottom, 0px)); }
    .test-finish-btn { padding: 12px 18px; font-size: 13.5px; }
    .test-all-footer-count { font-size: 11.5px; }
}

/* ─── UTILS ─── */
.text-muted    { color: var(--ink-dim); }
.text-primary  { color: var(--primary-glow); }
.text-danger   { color: var(--red); }
.text-success  { color: var(--green); }
.fw-bold       { font-weight: 700; }
.text-right    { text-align: right; }
.text-center   { text-align: center; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 20px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.flex { display: flex; }
.flex-gap { display: flex; gap: 8px; flex-wrap: wrap; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }

/* ─── EMPTY STATE ─── */
.empty-state {
    text-align: center; padding: 48px 20px;
    color: var(--ink-dim);
}
.empty-state .icon { font-size: 40px; display: block; margin-bottom: 10px; opacity: 0.5; }

/* ─── BALANCE / PAYMENT COLORS ─── */
.payment-naqd  { color: var(--green);        font-weight: 600; }
.payment-click { color: var(--primary-glow); font-weight: 600; }
.payment-karta { color: var(--blue);         font-weight: 600; }
.balance-positive { color: var(--green); font-weight: 700; }
.balance-negative { color: var(--red);   font-weight: 700; }
.balance-zero     { color: var(--ink-dim); }

/* ─── HR & LINKS ─── */
hr { border: none; border-top: 1px solid var(--line); }
a { color: var(--primary-glow); }
a:hover { color: var(--primary); }

/* ─── GROUP DETAIL LAYOUT ─── */
.group-detail-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 18px;
    margin-bottom: 18px;
    align-items: start;
}

.group-detail-layout > .card {
    margin-bottom: 0;
    min-width: 0;   /* grid child-da min-width:auto muammosini hal qiladi */
}

/* Ma'lumot (tor) + kontent (keng) ikki ustunli tafsilot sahifalari
   (masalan o'quvchi tafsiloti: chapda ma'lumot, o'ngda davomat/to'lov/test) */
.detail-layout {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 20px;
}
.detail-layout > .card { min-width: 0; }
@media (max-width: 1023px) {
    .detail-layout { grid-template-columns: 1fr; }
}

/* ─── LAYOUT UTILITY ─── */
/* Ikki ustunli grid — responsive versiyasi */
.two-col-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.two-col-grid > * { min-width: 0; }   /* grid child-da min-width:auto muammosini hal qiladi */

/* modal-box alias (ba'zi sahifalarda ishlatiladi) */
.modal-box {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    width: 100%; max-width: 520px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;   /* burchaklar va ichki scroll to'g'ri kesilsin */
    box-shadow: 0 24px 64px rgba(0,0,0,0.55);
    animation: modalIn 0.18s ease;
}

/* ─── RESPONSIVE: 1150px — Guruh detail ─── */
@media (max-width: 1150px) {
    .group-detail-layout { grid-template-columns: 1fr; }
}

/* ─── RESPONSIVE: 1024px — Kichik laptop ─── */
@media (max-width: 1024px) {
    .page-body { padding: 20px 20px; }
    .stat-info h3 { font-size: 21px; }
    .topbar { padding: 0 20px; }
}

/* ─── RESPONSIVE: 768px — Planshet / Mobil ─── */
@media (max-width: 768px) {
    /* Sidebar: chapga yashiriladi */
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .hamburger { display: block; }

    /* Topbar */
    .topbar { padding: 0 14px; height: 56px; }
    .topbar-left h1 { font-size: 15px; }
    .topbar-right { gap: 6px; }
    #alphabetToggleBtn { font-size: 11px; padding: 5px 8px; min-width: 0; }

    /* Page padding */
    .page-body { padding: 14px 16px; }

    /* Two-col layout → single column */
    .two-col-grid { grid-template-columns: 1fr; }
    .group-detail-layout { grid-template-columns: 1fr; }

    /* Stats — ustunlar soni yuqorida (.stats-grid asosiy qoidasi) hal qilinadi */
    .stats-grid { gap: 12px; }
    .stat-card { padding: 14px; gap: 12px; }
    .stat-icon { width: 44px; height: 44px; font-size: 19px; }
    .stat-info h3 { font-size: 20px; }

    /* Cards */
    .card-header { padding: 12px 16px; }
    .card-body { padding: 14px; }

    /* Tables */
    th { padding: 8px 10px; font-size: 10px; }
    td { padding: 9px 10px; font-size: 13px; }

    /* Forms */
    .form-row { grid-template-columns: 1fr; }
    .form-row-2 { grid-template-columns: 1fr; }
    .search-bar { flex-wrap: wrap; gap: 8px; }
    .search-bar input, .search-bar select { max-width: 100%; }

    /* Input shrifti kamida 16px — aks holda iOS Safari fokusda avtomatik
       zoom qiladi (barcha maydonlarda, sana tanlash ham shu qatorda). */
    input[type="text"], input[type="password"], input[type="number"],
    input[type="date"], input[type="tel"], input[type="email"],
    select, textarea {
        font-size: 16px;
    }

    /* Modal — pastdan chiqadi (bottom sheet) */
    .modal-overlay { padding: 0; align-items: flex-end; }
    .modal, .modal-box {
        max-width: 100%;
        border-radius: 18px 18px 0 0;
        max-height: 92vh;
    }
    .modal-footer { padding: 12px 16px calc(12px + env(safe-area-inset-bottom, 0px)); }

    /* Tugmalar: barmoq uchun yetarli katta (kamida 44x44px — planshet ham teginish bilan ishlatiladi) */
    .btn { min-height: 44px; }
    .btn-sm { min-height: 44px; padding: 8px 12px; }
    .btn-icon { min-height: 44px; min-width: 44px; }

    /* Davomat tugmalari */
    .att-btn { padding: 9px 12px; font-size: 12.5px; min-height: 44px; }
    .att-btn-group { gap: 6px; }
}

/* ─── RESPONSIVE: 480px — Kichik telefon ─── */
@media (max-width: 480px) {
    /* Topbar: 2 qatorda (sarlavha + tugmalar) */
    .topbar {
        flex-wrap: wrap;
        height: auto;
        min-height: 52px;
        padding: 8px 12px;
        gap: 6px;
    }
    .topbar-left { flex: 1; min-height: 36px; }
    .topbar-right { width: 100%; justify-content: flex-end; gap: 6px; }
    .topbar-left h1 { font-size: 13px; }
    #alphabetToggleBtn { padding: 4px 7px; font-size: 10px; }

    /* Page */
    .page-body { padding: 10px 12px; }

    /* Stats: 1 ustun (kichikroq bo'shliq) */
    .stats-grid { gap: 8px; margin-bottom: 14px; }
    .stat-card { padding: 11px 10px; gap: 8px; border-radius: 14px; }
    .stat-icon { width: 36px; height: 36px; font-size: 15px; border-radius: 10px; }
    .stat-info h3 { font-size: 16px; }
    .stat-info p { font-size: 10px; margin-top: 3px; }

    /* Cards */
    .card { border-radius: 12px; margin-bottom: 12px; }
    .card-header { padding: 10px 12px; gap: 8px; }
    .card-header h2 { font-size: 13.5px; }
    .card-body { padding: 12px; }

    /* Tables — kompakt */
    th { padding: 7px 8px; font-size: 9.5px; }
    td { padding: 8px 8px; font-size: 12px; }

    /* Tugmalar: minimal 44px (barmoq standarti) */
    .btn { min-height: 44px; padding: 10px 14px; font-size: 13px; }
    .btn-sm { min-height: 44px; padding: 8px 12px; font-size: 12px; }
    .btn-icon { min-height: 44px; min-width: 44px; padding: 8px; }

    /* Davomat tugmalari */
    .att-btn { padding: 9px 10px; font-size: 11.5px; min-height: 44px; }
    .att-btn-group { gap: 5px; flex-wrap: wrap; }

    /* Modal — to'liq pastdan */
    .modal-overlay { padding: 0; align-items: flex-end; }
    .modal, .modal-box {
        max-width: 100%;
        border-radius: 20px 20px 0 0;
        max-height: 94vh;
    }
    .modal-header { padding: 14px 16px; }
    .modal-body { padding: 14px 16px; }
    .modal-footer { padding: 12px 16px; gap: 8px; }

    /* Forma */
    .form-row { grid-template-columns: 1fr; }
    .search-bar { flex-direction: column; gap: 8px; }
    .search-bar > * { width: 100%; }
    .search-bar input, .search-bar select { max-width: 100%; }

    .topbar-right .flex-gap { gap: 4px; }
    /* Eslatma: o'quvchilar/guruh jadvallari bu kenglikda allaqachon
       kartochka ko'rinishiga o'tgan (.cards-on-mobile) — barcha ustunlar
       (telefon, sana va h.k.) endi to'liq ko'rinadi, ustun yashirilmaydi. */
}

/* ─── SIDEBAR OVERLAY ─── */
.sidebar-overlay {
    display: none; position: fixed; inset: 0;
    background: rgba(0,0,0,0.65);
    backdrop-filter: blur(3px);
    z-index: 99;
}
.sidebar-overlay.open { display: block; }

/* ─── RESPONSIVE: Yotiq (landscape) telefon — ekran balandligi past ───
   Bunday holatda modal/sidebar balandlikka emas, mavjud balandlikka moslashsin. */
@media (max-height: 480px) and (orientation: landscape) {
    .modal, .modal-box { max-height: 96vh; }
    .modal-body { padding-top: 12px; padding-bottom: 12px; }
    .sidebar { overflow-y: auto; }
    .login-page { padding: 10px; align-items: flex-start; }
    .login-box { margin: 10px auto; }
}

/* ── Kalkulyator-klaviatura (static/keypad.js) ───────────────────────────── */
.kp-panel {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
    padding: 8px 10px calc(8px + env(safe-area-inset-bottom, 0px));
    background: var(--bg-soft); border-top: 1px solid var(--line);
    box-shadow: 0 -10px 28px rgba(0, 0, 0, 0.4);
    -webkit-user-select: none; user-select: none; touch-action: manipulation;
}
.kp-panel[hidden] { display: none; }
.kp-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 5px; max-width: 420px; margin: 0 auto; }
.kp-extra { display: grid; grid-template-columns: repeat(4, 1fr); gap: 5px; max-width: 420px; margin: 5px auto 0; }
.kp-extra .kp-key { min-height: 36px; }
.kp-extra .kp-next { grid-column: span 2; }
.kp-key {
    min-height: 40px; font-size: 18px; font-weight: 600; border-radius: 10px; cursor: pointer; padding: 0;
    border: 1px solid var(--line); background: var(--surface); color: var(--ink);
    -webkit-tap-highlight-color: transparent;
}
.kp-key:active { background: var(--primary-light); }
.kp-key.kp-fn { color: var(--amber); }
.kp-key.kp-tpl { font-size: 15px; color: var(--ink-dim); }
.kp-key.kp-alt { font-size: 14px; grid-column: span 2; }
.kp-key.kp-next { background: var(--primary); border-color: var(--primary); color: #fff; font-size: 15px; }
body.kp-on .mathpad { display: none !important; }
.kp-toggle {
    margin-top: 8px; padding: 7px 12px; font-size: 12.5px; border-radius: 999px; cursor: pointer;
    border: 1px solid var(--line); background: var(--surface); color: var(--ink-dim);
}

/* ── PWA: standalone rejim (Bosh ekrandan ilova sifatida ochilganda) ──────
   Telefon brauzerida sahifa odatdagidek ko'rinadi — bu qoidalar FAQAT
   o'rnatilgan ilovada ishlaydi. iPhone'da holat qatori (soat, batareya)
   sahifa USTIDA turadi (status-bar-style: black-translucent), shuning uchun
   tepadagi yopishqoq elementlarga "notch" balandligi qo'shiladi.
   env(safe-area-inset-*) qo'llab-quvvatlanmagan joyda 0px qaytaradi. */
@media (display-mode: standalone) {
    .sidebar { padding-top: env(safe-area-inset-top, 0px); }

    .topbar {
        padding-top: env(safe-area-inset-top, 0px);
        height: auto;
        min-height: 62px;
    }

    .landing-nav { padding-top: calc(14px + env(safe-area-inset-top, 0px)); }

    .login-page,
    .test-all-page { padding-top: calc(16px + env(safe-area-inset-top, 0px)); }

    .test-all-head { top: env(safe-area-inset-top, 0px); }
}

@media (display-mode: standalone) and (max-width: 768px) {
    .topbar { min-height: 56px; }
}

/* ── PWA: o'rnatish banneri va "yangi versiya" xabari (static/js/pwa.js) ── */
.pwa-banner {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 1200;
    display: flex; align-items: center; justify-content: space-between;
    gap: 12px; flex-wrap: wrap;
    padding: 12px 16px calc(12px + env(safe-area-inset-bottom, 0px));
    background: var(--surface); border-top: 1px solid var(--line);
    box-shadow: 0 -10px 28px rgba(0,0,0,0.42);
}
.pwa-banner-text { font-size: 13.5px; font-weight: 600; color: var(--ink); }
.pwa-banner-actions { display: flex; gap: 8px; margin-left: auto; }
.pwa-banner button,
.pwa-banner a.pwa-banner-install {
    font: inherit; font-size: 13px; font-weight: 600;
    border-radius: 10px; padding: 9px 14px; cursor: pointer;
    text-decoration: none; display: inline-block;
    -webkit-tap-highlight-color: transparent;
}
.pwa-banner-later { background: transparent; border: 1px solid var(--line); color: var(--ink-dim); }
.pwa-banner-install { background: var(--primary); border: 1px solid var(--primary); color: #fff; }

.pwa-toast {
    position: fixed; left: 50%; transform: translateX(-50%);
    bottom: calc(18px + env(safe-area-inset-bottom, 0px)); z-index: 1300;
    display: flex; align-items: center; gap: 12px;
    padding: 11px 14px;
    background: var(--surface-2); border: 1px solid var(--line);
    border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,0.45);
    font-size: 13px; color: var(--ink);
}
.pwa-toast-btn {
    font: inherit; font-weight: 700; color: #fff;
    background: var(--primary); border: 1px solid var(--primary);
    border-radius: 9px; padding: 7px 13px; cursor: pointer;
}
/* Yopish (✕) — bosilsa xabar 24 soat qayta chiqmaydi (static/js/pwa.js). */
.pwa-toast-close {
    font: inherit; font-size: 14px; line-height: 1;
    color: var(--ink-faint); background: none; border: none;
    padding: 4px 6px; cursor: pointer; border-radius: 7px;
}
.pwa-toast-close:hover { color: var(--ink); background: var(--surface); }

/* ─── Bo'lim ichidagi tab qatori (Sozlamalar, Testlar, To'lovlar, Xabarlar) ───
   Bir nechta ALOHIDA sahifani bitta bo'lim kabi ko'rsatadi: sahifalar o'z
   URL'ida qoladi (to'g'ridan-to'g'ri ochilaveradi), faqat yuqorida umumiy
   qator turadi. */
.tab-row {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--line);
    padding-bottom: 10px;
}
.tab-link {
    padding: 7px 13px;
    border-radius: 8px;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--ink-dim);
    background: var(--surface-2);
    border: 1px solid var(--line);
    white-space: nowrap;
    transition: all 0.15s;
}
.tab-link:hover { color: var(--ink); border-color: var(--primary); }
.tab-link.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
@media (max-width: 600px) {
    .tab-row { gap: 5px; padding-bottom: 8px; margin-bottom: 12px; }
    .tab-link { padding: 8px 10px; font-size: 12px; }
}