/* =========================================================================
   FIZX — App shell (кабинет/куратор/админка/вход)
   Использует токены и шрифты из style.css — этот файл подключается ВМЕСТЕ
   с ним, не вместо. Своей темы не задаёт: тема/акценты берутся из тех же
   CSS-переменных (--ink, --paper, --accent и т.д.), просто без переключателя
   предмета — используется дефолтный акцент из :root.
   ========================================================================= */

* , *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body.app-body {
    margin: 0;
    background: var(--paper-soft);
    color: var(--ink);
    font-family: var(--font-heading);
    font-weight: 500;
    line-height: 1.5;
    min-height: 100vh;
    transition: background-color .35s ease, color .35s ease;
}

a { color: inherit; text-decoration: none; }

/* ---- Topbar -------------------------------------------------------------*/
.app-topbar {
    display: flex; align-items: center; gap: 20px;
    padding: 16px 28px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    position: sticky; top: 0; z-index: 50;
}
.app-topbar__logo {
    font-family: var(--font-display); font-size: 24px; letter-spacing: .04em;
    margin-right: auto;
}
.app-topbar__nav { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.app-topbar__nav a {
    font-size: 14px; font-weight: 600; color: var(--ink-soft);
    padding: 6px 2px; border-bottom: 2px solid transparent;
    transition: color .2s ease, border-color .2s ease;
}
.app-topbar__nav a:hover, .app-topbar__nav a.is-active { color: var(--ink); border-color: var(--accent); }
.app-topbar__role {
    font-family: var(--font-mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase;
    color: var(--ink-faint); border: 1px solid var(--line); border-radius: var(--radius-pill);
    padding: 4px 12px;
}
.app-topbar__logout { font-size: 14px; font-weight: 600; color: var(--ink-faint); }
.app-topbar__logout:hover { color: var(--ink); }

@media (max-width: 720px) {
    .app-topbar { padding: 14px 16px; flex-wrap: wrap; }
    .app-topbar__nav { order: 3; width: 100%; gap: 14px; padding-top: 10px; border-top: 1px solid var(--line); }
}

/* ---- Layout ---------------------------------------------------------------*/
.app-main { max-width: 1080px; margin: 0 auto; padding: 40px 24px 100px; }
.app-page-title { font-family: var(--font-display); font-size: clamp(30px, 4vw, 44px); margin: 0 0 8px; }
.app-page-subtitle { color: var(--ink-soft); margin: 0 0 32px; font-size: 15px; }
.app-back-link { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--ink-soft); margin-bottom: 20px; }
.app-back-link:hover { color: var(--ink); }

/* ---- Cards ----------------------------------------------------------------*/
.app-card {
    background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-md);
    padding: 28px; margin-bottom: 24px; box-shadow: var(--shadow-sm);
}
.app-card h2, .app-card h3 { margin-top: 0; }
.app-card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.app-card-grid .app-card { margin-bottom: 0; }
a.app-card {
    display: block; font-family: var(--font-heading); font-weight: 800; font-size: 17px;
    transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s ease;
}
a.app-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--accent); }

/* ---- Auth (login) ---------------------------------------------------------*/
.auth-shell { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.auth-card {
    width: 100%; max-width: 400px; background: var(--paper); border: 1px solid var(--line);
    border-radius: var(--radius-lg); padding: 40px 34px; box-shadow: var(--shadow-md);
}
.auth-card__logo { font-family: var(--font-display); font-size: 30px; letter-spacing: .04em; margin-bottom: 6px; display: block; }
.auth-card h1 { font-size: 22px; margin: 0 0 24px; }
.auth-error {
    background: color-mix(in srgb, #e8896d 15%, transparent); color: #a13f22;
    border-radius: var(--radius-sm); padding: 10px 14px; font-size: 13.5px; margin-bottom: 18px;
}
[data-theme="dark"] .auth-error { color: #f2b8a4; }

/* ---- Forms ------------------------------------------------------------- */
.app-field { display: block; margin-bottom: 18px; }
.app-field span { display: block; font-size: 13px; font-weight: 700; color: var(--ink-soft); margin-bottom: 6px; }
.app-field input,
.app-field select,
.app-field textarea {
    width: 100%; font-family: var(--font-heading); font-size: 15px; color: var(--ink);
    background: var(--paper-soft); border: 1.5px solid var(--line); border-radius: var(--radius-sm);
    padding: 12px 14px; transition: border-color .2s ease;
}
.app-field input:focus, .app-field select:focus, .app-field textarea:focus { outline: none; border-color: var(--accent); }
.app-field-row { display: flex; gap: 14px; flex-wrap: wrap; }
.app-field-row .app-field { flex: 1; min-width: 160px; }
.app-check { display: flex; align-items: center; gap: 8px; font-size: 14px; margin-bottom: 12px; }
.app-check input { width: auto; }

/* ---- Buttons (доп. к style.css) ------------------------------------------*/
.btn--danger-text { color: #c0503a; font-size: 13px; font-weight: 600; }
.btn--danger-text:hover { text-decoration: underline; }

/* ---- Tables ---------------------------------------------------------------*/
.app-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--paper); }
.app-table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 560px; }
.app-table th {
    text-align: left; font-family: var(--font-mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase;
    color: var(--ink-faint); padding: 14px 16px; border-bottom: 1px solid var(--line); white-space: nowrap;
}
.app-table td { padding: 14px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.app-table tr:last-child td { border-bottom: none; }
.app-table tr:hover td { background: var(--paper-soft); }
.app-empty { color: var(--ink-faint); font-style: italic; padding: 20px 0; }

/* ---- Status badges ---------------------------------------------------------*/
.status-pill {
    display: inline-block; font-family: var(--font-mono); font-size: 11px; letter-spacing: .04em;
    padding: 4px 11px; border-radius: var(--radius-pill); white-space: nowrap;
}
.status-pill--pending  { background: #f4e4b8; color: #7a5c14; }
.status-pill--accepted { background: var(--accent-soft); color: #2c5c1a; }
.status-pill--revision { background: var(--accent-2-soft); color: #8a3319; }
.status-pill--none     { background: var(--paper-dim); color: var(--ink-faint); }
[data-theme="dark"] .status-pill--pending  { background: #4a3c14; color: #f0d488; }
[data-theme="dark"] .status-pill--accepted { background: #223a17; color: #b7e79a; }
[data-theme="dark"] .status-pill--revision { background: #4a2417; color: #f0b39c; }

/* ---- Lesson lock/unlock ----------------------------------------------------*/
.lesson-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.lesson-row:last-child { border-bottom: none; }
.lesson-row--locked { color: var(--ink-faint); }
.lesson-row__title { font-weight: 700; }
.lesson-row__meta { font-family: var(--font-mono); font-size: 12px; color: var(--ink-faint); }

/* ---- Video / materials ------------------------------------------------------*/
.lesson-video { width: 100%; max-width: 800px; aspect-ratio: 16/9; border: 0; border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
.lesson-materials { list-style: none; padding: 0; margin: 0 0 24px; }
.lesson-materials li { padding: 8px 0; border-bottom: 1px solid var(--line); }
.lesson-materials li:last-child { border-bottom: none; }
.lesson-materials a { font-weight: 700; color: var(--accent-2); }

/* ---- Streams / student cards in curator view -------------------------------*/
.student-block { border-top: 1px dashed var(--line); padding-top: 16px; margin-top: 16px; }
.student-block:first-child { border-top: none; padding-top: 0; margin-top: 0; }
.student-block__name { font-weight: 700; }
.student-block__meta { color: var(--ink-soft); font-size: 14px; }

/* ---- Copy box (sheet_label) -------------------------------------------------*/
.copy-box {
    font-family: var(--font-mono); font-size: 13px; background: var(--paper-soft);
    border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 8px 10px;
    width: 100%;
}

@media (max-width: 640px) {
    .app-main { padding: 28px 16px 80px; }
    .app-card { padding: 20px; }
}