/* اسلایدساز نشست‌ها — پوستهٔ پنل مدیریت */
@font-face { font-family: "Dubai"; src: url("../fonts/DUBAI-LIGHT.TTF") format("truetype"); font-weight: 300; font-display: swap; }
@font-face { font-family: "Dubai"; src: url("../fonts/DUBAI-REGULAR.TTF") format("truetype"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Dubai"; src: url("../fonts/DUBAI-MEDIUM.TTF") format("truetype"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Dubai"; src: url("../fonts/DUBAI-BOLD.TTF") format("truetype"); font-weight: 700; font-display: swap; }

:root {
    --navy: #0B1F3A;
    --navy-deep: #071428;
    --navy-soft: #16335C;
    --gold: #C9A961;
    --gold-soft: #E2C885;
    --gold-deep: #8C6F2A;
    --ink: #14233B;
    --slate: #51607A;
    --mute: #7C89A0;
    --line: #DFE5EE;
    --mist: #F1F4F9;
    --bg: #F5F7FA;
    --paper: #FFFFFF;
    --ok: #1B7F54;
    --ok-bg: #E6F4EC;
    --warn: #9A6400;
    --warn-bg: #FCF1DA;
    --err: #B3362A;
    --err-bg: #FBE9E7;
    --info: #2B5C9E;
    --info-bg: #E7EFFA;
    --radius: 12px;
    --shadow: 0 1px 2px rgba(11, 31, 58, .06), 0 4px 16px rgba(11, 31, 58, .05);
}

* { box-sizing: border-box; }
html { font-size: 16px; }
body {
    margin: 0;
    font-family: "Dubai", "Vazirmatn", "Segoe UI", Tahoma, sans-serif;
    font-size: 1rem;
    line-height: 1.8;
    color: var(--ink);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}
a { color: var(--info); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.6rem; line-height: 1.4; margin: 0; font-weight: 700; color: var(--navy); }
h2 { font-size: 1.08rem; line-height: 1.5; margin: 0 0 .9rem; font-weight: 700; color: var(--navy); }
p { margin: 0 0 .8rem; }
hr { border: 0; border-top: 1px solid var(--line); margin: 1.1rem 0; }
[hidden] { display: none !important; }

.wrap { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 20px; }
.main { padding-top: 26px; padding-bottom: 40px; min-height: calc(100vh - 150px); }

/* ---------- نوار بالا */
.topbar { background: var(--navy); color: #fff; position: sticky; top: 0; z-index: 20; box-shadow: 0 2px 10px rgba(7, 20, 40, .25); }
.topbar-in { display: flex; align-items: center; gap: 22px; min-height: 60px; flex-wrap: wrap; padding-top: 6px; padding-bottom: 6px; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; font-size: 1.08rem; white-space: nowrap; }
.brand:hover { text-decoration: none; }
.nav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
.nav a { color: #C9D3E3; padding: 6px 14px; border-radius: 8px; font-weight: 500; white-space: nowrap; }
.nav a:hover { background: rgba(255, 255, 255, .08); color: #fff; text-decoration: none; }
.nav a.on { background: rgba(201, 169, 97, .18); color: var(--gold-soft); }
.topbar-actions { display: flex; align-items: center; gap: 8px; }
.nav-out { color: #C9D3E3; padding: 6px 8px; font-size: .92rem; }

/* ---------- دکمه‌ها */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    font: inherit; font-weight: 700; font-size: .95rem; line-height: 1.5;
    padding: 8px 18px; border-radius: 10px; border: 1.5px solid transparent;
    cursor: pointer; white-space: nowrap; text-decoration: none !important;
    transition: background .15s, border-color .15s, color .15s, box-shadow .15s;
}
.btn:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, .tp-card:focus-within, .link-btn:focus-visible, .icon-btn:focus-visible {
    outline: 3px solid rgba(201, 169, 97, .55); outline-offset: 2px;
}
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { background: var(--navy-soft); }
.btn-gold { background: var(--gold); color: var(--navy-deep); }
.btn-gold:hover { background: var(--gold-soft); }
.btn-line { background: var(--paper); color: var(--navy); border-color: var(--line); }
.btn-line:hover { border-color: var(--navy); }
.btn-ghost { background: transparent; color: var(--slate); }
.btn-ghost:hover { background: var(--mist); }
.btn-ghost-light { background: transparent; color: #E6ECF5; border-color: rgba(255, 255, 255, .28); }
.btn-ghost-light:hover { border-color: #fff; }
.btn-danger-line { background: var(--paper); color: var(--err); border-color: #EBC8C3; }
.btn-danger-line:hover { background: var(--err-bg); border-color: var(--err); }
.btn-sm { padding: 4px 12px; font-size: .86rem; border-radius: 8px; font-weight: 500; }
.btn-block { width: 100%; }
.btn.is-busy { opacity: .7; pointer-events: none; }
.link-btn { font: inherit; font-weight: 500; font-size: .93rem; color: var(--info); background: none; border: 0; padding: 4px 2px; cursor: pointer; }
.link-btn:hover { text-decoration: underline; }
.link-btn.danger { color: var(--err); }
.icon-btn { font: inherit; font-size: 1.25rem; line-height: 1; width: 40px; height: 40px; border-radius: 10px; border: 1.5px solid var(--line); background: var(--paper); color: var(--slate); cursor: pointer; flex: none; }
.icon-btn:hover { border-color: var(--err); color: var(--err); }
form.inline { display: inline; }

/* ---------- سربرگ صفحه */
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
.page-head .sub { margin: 2px 0 0; color: var(--slate); font-size: .95rem; }
.page-head .actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.back { font-size: .9rem; color: var(--slate); }

/* ---------- کارت و فرم */
.card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px 22px; margin-bottom: 16px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: .9rem; flex-wrap: wrap; }
.card-head h2 { margin: 0; }
.card.narrow { max-width: 440px; margin: 8vh auto 0; }
.card.center, .card.empty { text-align: center; }
.card.empty { padding: 44px 22px; }
.card.empty .btn { margin: 4px; }
.lead { color: var(--slate); font-size: 1.02rem; }
.login { text-align: center; }
.login form { text-align: right; margin-top: 14px; }
.login h1 { font-size: 1.3rem; margin: 8px 0 10px; }
body.bare { background: linear-gradient(160deg, var(--navy) 0%, var(--navy-deep) 100%); min-height: 100vh; }

.form .grid { display: grid; gap: 14px 18px; }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g-num { grid-template-columns: 170px minmax(0, 1fr); }
.g-teacher { grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); }
.field { display: block; margin-bottom: 4px; }
.field .label, .label { display: block; font-weight: 500; font-size: .92rem; color: var(--slate); margin-bottom: 4px; }
input[type=text], input[type=url], input[type=search], input[type=password], select, textarea {
    font: inherit; color: var(--ink); background: var(--paper);
    width: 100%; padding: 8px 12px; min-height: 42px;
    border: 1.5px solid var(--line); border-radius: 10px;
    transition: border-color .15s, box-shadow .15s;
}
input[dir=ltr], input[type=url] { text-align: left; font-family: "Segoe UI", "Dubai", sans-serif; font-size: .95rem; }
textarea { min-height: 190px; line-height: 2; resize: vertical; }
input:hover, select:hover, textarea:hover { border-color: #C3CCDA; }
input:focus, select:focus, textarea:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(201, 169, 97, .2); outline: 0; }
input.bad, select.bad, textarea.bad { border-color: var(--err); }
input[type=file] { font: inherit; font-size: .9rem; width: 100%; padding: 7px; border: 1.5px dashed var(--line); border-radius: 10px; background: var(--mist); }
input[type=range] { width: 100%; accent-color: var(--navy); }
.hint { display: block; color: var(--mute); font-size: .86rem; line-height: 1.7; margin-top: 4px; }
.field-error { color: var(--err); font-size: .88rem; font-weight: 500; margin-top: 4px; flex-basis: 100%; }
.text-err { color: var(--err); }
.text-warn { color: var(--warn); }
.check { display: flex; align-items: flex-start; gap: 8px; margin: 10px 0; cursor: pointer; }
.check input { width: 18px; height: 18px; margin-top: 6px; accent-color: var(--navy); flex: none; }
.form-actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin: 6px 0 22px; }
input.search { width: 270px; max-width: 100%; background: var(--paper); }
input.search-sm { width: 220px; min-height: 36px; padding: 4px 12px; font-size: .9rem; }
.counter { font-size: .88rem; font-weight: 500; color: var(--mute); }
.counter.ok { color: var(--ok); }
.counter.over { color: var(--warn); }

/* ---------- پیام‌ها */
.flash { border-radius: 10px; padding: 10px 16px; margin-bottom: 14px; font-weight: 500; border: 1px solid transparent; }
.flash-ok { background: var(--ok-bg); color: var(--ok); border-color: #BFE3CF; }
.flash-error { background: var(--err-bg); color: var(--err); border-color: #F1C9C4; }
.flash-warn { background: var(--warn-bg); color: var(--warn); border-color: #F0DCA9; }

/* ---------- فهرست نشست‌ها */
.list { display: flex; flex-direction: column; gap: 8px; }
.s-row { display: flex; align-items: center; gap: 14px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 16px; transition: border-color .15s, box-shadow .15s; }
.s-row:hover { border-color: #C9D2E0; box-shadow: var(--shadow); }
.s-num { flex: none; width: 42px; height: 42px; border-radius: 50%; background: var(--navy); color: var(--gold-soft); font-weight: 700; font-size: 1.05rem; display: flex; align-items: center; justify-content: center; }
.avatar { flex: none; width: 48px; height: 48px; border-radius: 50%; object-fit: cover; background: var(--mist); border: 2px solid var(--gold); }
.avatar-lg { width: 84px; height: 84px; }
.s-main { flex: 1; min-width: 0; }
.s-title { display: block; font-weight: 700; color: var(--navy); font-size: 1.02rem; line-height: 1.6; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.s-meta { color: var(--slate); font-size: .88rem; line-height: 1.6; display: flex; gap: 6px; flex-wrap: wrap; }
.s-meta .dot { color: var(--mute); }
.s-tags { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; max-width: 250px; }
.s-actions { display: flex; gap: 6px; flex: none; }
.tag { display: inline-block; font-size: .78rem; font-weight: 500; line-height: 1.5; padding: 2px 10px; border-radius: 999px; white-space: nowrap; text-decoration: none !important; }
.tag-on { background: var(--ok-bg); color: var(--ok); }
.tag-off { background: var(--mist); color: var(--mute); }
.tag-warn { background: var(--warn-bg); color: var(--warn); }
.tag-error { background: var(--err-bg); color: var(--err); }
.tag-info { background: var(--info-bg); color: var(--info); }
.empty-filter { text-align: center; color: var(--mute); padding: 26px; }

/* ---------- انتخاب استاد */
.tp-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(232px, 1fr)); gap: 8px; max-height: 318px; overflow-y: auto; padding: 4px; margin: -4px; }
.tp-card { position: relative; display: flex; align-items: center; gap: 10px; padding: 8px 12px; border: 1.5px solid var(--line); border-radius: 12px; cursor: pointer; background: var(--paper); min-height: 62px; transition: border-color .15s, background .15s; }
.tp-card:hover { border-color: #C3CCDA; }
.tp-card input { position: absolute; opacity: 0; pointer-events: none; }
.tp-card:has(input:checked) { border-color: var(--gold); background: #FBF6EA; box-shadow: 0 0 0 2px rgba(201, 169, 97, .3); }
.tp-card .avatar { width: 44px; height: 44px; }
.tp-name { flex: 1; min-width: 0; font-weight: 700; font-size: .95rem; line-height: 1.5; color: var(--navy); }
.tp-name small { display: block; font-weight: 400; font-size: .76rem; color: var(--mute); line-height: 1.4; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tp-count { font-size: .74rem; color: var(--mute); white-space: nowrap; }
.tp-new { border-style: dashed; }
.tp-plus { flex: none; width: 44px; height: 44px; border-radius: 50%; background: var(--mist); color: var(--navy); font-size: 1.5rem; font-weight: 500; display: flex; align-items: center; justify-content: center; }
.tp-newbox { margin-top: 14px; padding: 14px 16px; background: var(--mist); border-radius: 12px; }
.tp-newbox .hint { margin: 0 0 8px; }

/* ---------- زمان، فیلم، متن */
.slot { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.slot select { width: auto; min-width: 84px; }
.slot-title { font-weight: 700; color: var(--navy); min-width: 72px; }
.slot-sep { color: var(--slate); margin-right: 10px; }
.w-year { width: 84px !important; text-align: center; }
.w-time { width: 92px !important; text-align: center !important; }
.weekday { display: inline-block; min-width: 86px; text-align: center; font-weight: 700; color: var(--gold-deep); background: #FBF6EA; border-radius: 999px; padding: 4px 12px; }
.v-row { display: flex; gap: 8px; margin-bottom: 8px; }
.seg { display: inline-flex; border: 1.5px solid var(--line); border-radius: 10px; overflow: hidden; margin-bottom: 12px; background: var(--paper); }
.seg label { cursor: pointer; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg span { display: block; padding: 6px 20px; font-weight: 500; color: var(--slate); }
.seg label + label span { border-right: 1.5px solid var(--line); }
.seg input:checked + span { background: var(--navy); color: #fff; }
.seg label:focus-within span { outline: 3px solid rgba(201, 169, 97, .55); outline-offset: -3px; }
.current-file { margin-bottom: 8px; }
.current-file .hint { display: inline; }

/* ---------- پیش‌نمایش */
.preview-frame { position: relative; width: 100%; aspect-ratio: 16 / 9.35; background: var(--mist); border-radius: 10px; overflow: hidden; border: 1px solid var(--line); }
.preview-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* ---------- اساتید */
.t-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 12px; }
.t-card { display: flex; align-items: center; gap: 14px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.t-info { flex: 1; min-width: 0; }
.t-prefix { font-size: .8rem; color: var(--mute); line-height: 1.4; }
.t-name { font-weight: 700; color: var(--navy); line-height: 1.6; }
.t-meta { font-size: .84rem; color: var(--slate); display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.t-actions { display: flex; flex-direction: column; gap: 6px; }
.plain-list { margin: 0; padding: 0 18px 0 0; }

/* ---------- تنظیم برش عکس */
.fp { display: flex; gap: 24px; flex-wrap: wrap; align-items: flex-start; }
.fp-stage { position: relative; max-width: 460px; line-height: 0; cursor: crosshair; border-radius: 10px; overflow: hidden; border: 1px solid var(--line); background: var(--mist); }
.fp-stage img { display: block; max-width: 100%; max-height: 420px; }
.fp-dot { position: absolute; width: 22px; height: 22px; margin: -11px 0 0 -11px; border-radius: 50%; border: 3px solid #fff; background: var(--gold); box-shadow: 0 0 0 2px var(--navy), 0 2px 8px rgba(0, 0, 0, .4); pointer-events: none; }
.fp-side { flex: 1; min-width: 240px; max-width: 340px; }
.fp-preview { width: 170px; height: 170px; border-radius: 50%; border: 3px solid var(--gold); box-shadow: 0 0 0 5px var(--navy); background-color: var(--mist); background-repeat: no-repeat; margin: 6px auto 20px; }

/* ---------- پایش */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; margin-bottom: 16px; }
.stat { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 16px; text-align: center; }
.stat b { display: block; font-size: 1.7rem; line-height: 1.3; color: var(--navy); }
.stat span { color: var(--slate); font-size: .88rem; }
.stat-warn b { color: var(--warn); }
table.audit { width: 100%; border-collapse: collapse; }
.audit th { text-align: right; font-weight: 500; color: var(--mute); font-size: .85rem; padding: 4px 10px 8px; border-bottom: 1.5px solid var(--line); }
.audit td { padding: 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.audit tr:last-child td { border-bottom: 0; }
.audit tr:target td { background: #FBF6EA; }
.a-num { font-weight: 700; color: var(--gold-deep); width: 56px; text-align: center; }
.a-title { font-weight: 700; color: var(--navy); width: 30%; }
.a-list { margin: 0; padding: 0; list-style: none; }
.a-list li { margin-bottom: 4px; font-size: .93rem; }
.a-act { width: 80px; text-align: left; }

.foot { color: var(--mute); font-size: .82rem; padding-top: 4px; padding-bottom: 26px; }
.foot-note { color: var(--warn); }

@media (max-width: 860px) {
    .g3, .g-num, .g-teacher { grid-template-columns: 1fr; }
    .s-row { flex-wrap: wrap; }
    .s-tags { max-width: none; justify-content: flex-start; }
    .s-actions { width: 100%; }
    .a-title { width: auto; }
    .topbar-in { gap: 8px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }