/* ============================================================
   Trenno — دیزاین‌سیستم «وایرفریم روی کاغذ» (سیاه‌وسفید، تخت، دست‌کشیده)
   ============================================================ */

:root {
    --paper: #ffffff;
    --paper-2: #faf9f7;
    --bg: #eceae4;
    --ink: #1b1b1a;
    --ink-2: #3a3a38;
    --muted: #8b8781;
    --line: #1b1b1a;
    --line-soft: #d3cfc7;
    --hover: #f1efe9;
    --active: #e9e6df;
    --success: #2fae66;
    --success-soft: #e6f5ec;
    --radius: 8px;
    --radius-sm: 6px;
    --shadow-hard: 3px 3px 0 var(--ink);
    --shadow-soft: 2px 2px 0 rgba(27,27,26,.06);
    --font: 'Vazirmatn', Tahoma, sans-serif;
    --font-hand: 'Caveat', 'Vazirmatn', cursive;
}

* { box-sizing: border-box; }

html, body {
    height: 100%;
}

body {
    font-family: var(--font);
    background-color: var(--bg);
    /* بافت کاغذِ خط‌دار خیلی ملایم */
    background-image:
        linear-gradient(rgba(27,27,26,.025) 1px, transparent 1px);
    background-size: 100% 30px;
    color: var(--ink);
    font-size: 14px;
    line-height: 1.9;
    margin: 0;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--ink); text-decoration: none; }
a:hover { text-decoration: none; }

h1, h2, h3, h4, h5 { font-weight: 800; color: var(--ink); margin: 0; }

::selection { background: var(--ink); color: #fff; }

/* ---------- کانتینر ---------- */
.wf-container { max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.wf-wide { max-width: none; padding: 0 20px; }

/* ============================================================
   قاب‌ها و پنل‌ها — خطوطِ کشیده‌شده روی کاغذ
   ============================================================ */
.wf-panel {
    background: var(--paper);
    border: 1.5px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
}

/* حس دست‌کشیده: گوشه‌های کمی نامنظم */
.sketch { border-radius: 14px 8px 16px 8px / 8px 16px 8px 14px; }
.sketch-2 { border-radius: 8px 15px 7px 14px / 14px 7px 15px 8px; }

.wf-card {
    background: var(--paper);
    border: 1.5px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    transition: box-shadow .12s ease, transform .12s ease;
}
.wf-card.is-clickable { cursor: pointer; }
.wf-card.is-clickable:hover { box-shadow: var(--shadow-hard); transform: translate(-1px,-1px); }

.wf-divider { height: 1.5px; background: var(--line); border: 0; margin: 14px 0; }
.wf-divider-soft { height: 1px; background: var(--line-soft); border: 0; margin: 12px 0; }

.muted { color: var(--muted); }
.tiny { font-size: 12px; }
.strong { font-weight: 800; }

/* ============================================================
   دکمه‌ها
   ============================================================ */
.btn-ink, .btn-paper, .btn-ghost {
    display: inline-flex; align-items: center; gap: 7px;
    font-family: var(--font); font-size: 13.5px; font-weight: 700;
    border: 1.5px solid var(--line); border-radius: var(--radius-sm);
    padding: 7px 15px; cursor: pointer; line-height: 1.4;
    transition: all .12s ease; white-space: nowrap; text-decoration: none;
}
.btn-ink { background: var(--ink); color: #fff; }
.btn-ink:hover { background: #000; box-shadow: var(--shadow-hard); transform: translate(-1px,-1px); color:#fff; }
.btn-paper { background: var(--paper); color: var(--ink); }
.btn-paper:hover { background: var(--hover); box-shadow: var(--shadow-hard); transform: translate(-1px,-1px); }
.btn-ghost { background: transparent; border-color: transparent; }
.btn-ghost:hover { background: var(--hover); border-color: var(--line-soft); }
.btn-sm { padding: 4px 10px; font-size: 12.5px; }
.btn-lg { padding: 10px 20px; font-size: 15px; }
.btn-block { display: flex; width: 100%; justify-content: center; }
.btn-ink:disabled, .btn-paper:disabled, .is-loading { opacity: .55; pointer-events: none; }
.btn-icon { padding: 7px; border-radius: var(--radius-sm); }

/* ============================================================
   تاپ‌بار
   ============================================================ */
.wf-topbar {
    background: var(--paper);
    border-bottom: 1.5px solid var(--line);
    position: sticky; top: 0; z-index: 50;
}
.wf-topbar-inner { display: flex; align-items: center; gap: 14px; height: 56px; }
.wf-logo { display: inline-flex; align-items: center; gap: 8px; font-weight: 800; font-size: 20px; color: var(--ink); }
.wf-logo .logo-mark {
    width: 26px; height: 26px; border: 2px solid var(--ink); border-radius: 6px;
    display: inline-flex; overflow: hidden; background: var(--paper);
}
.wf-logo .logo-mark::before, .wf-logo .logo-mark::after {
    content: ""; flex: 1; margin: 3px; background: var(--ink);
}
.wf-logo .logo-mark::after { background: repeating-linear-gradient(0deg, var(--ink) 0 3px, transparent 3px 6px); }
.wf-logo .logo-word { font-family: var(--font-hand); font-size: 27px; font-weight: 700; line-height: 1; letter-spacing: .5px; }

.wf-nav { display: flex; align-items: center; gap: 2px; }
.wf-nav a, .wf-nav .nav-item {
    padding: 6px 11px; border-radius: var(--radius-sm); font-weight: 700; color: var(--ink-2);
    display: inline-flex; align-items: center; gap: 5px; cursor: pointer; border:1.5px solid transparent;
}
.wf-nav a:hover, .wf-nav .nav-item:hover { background: var(--hover); }
.wf-nav a.active { border-color: var(--line); background: var(--paper); }

.wf-spacer { flex: 1; }

.wf-search { position: relative; }
.wf-search input {
    font-family: var(--font); font-size: 13px; width: 200px;
    padding: 7px 32px 7px 12px; border: 1.5px solid var(--line);
    border-radius: var(--radius-sm); background: var(--paper); color: var(--ink);
}
.wf-search input::placeholder { color: var(--muted); }
.wf-search .bi { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); color: var(--muted); }
.wf-search input:focus { outline: none; box-shadow: var(--shadow-hard); }

.wf-topbar-icons { display: flex; align-items: center; gap: 4px; }
.wf-icon-btn {
    width: 36px; height: 36px; border-radius: var(--radius-sm); border: 1.5px solid transparent;
    display: inline-flex; align-items: center; justify-content: center; font-size: 17px; color: var(--ink); cursor: pointer; background:transparent;
}
.wf-icon-btn:hover { background: var(--hover); border-color: var(--line-soft); }

/* ============================================================
   آواتار (دایره‌ی قاب‌دار)
   ============================================================ */
.wf-avatar {
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 50%; border: 1.5px solid var(--line); background: var(--paper);
    color: var(--ink); font-weight: 800; overflow: hidden; flex: none; line-height: 1;
    width: 32px; height: 32px;
}
.wf-avatar img { width: 100%; height: 100%; object-fit: cover; }
.wf-avatar-more { background: var(--ink); color: #fff; }
.wf-avatar-stack { display: inline-flex; align-items: center; direction: ltr; }
.wf-avatar-stack .wf-avatar { margin-left: -8px; box-shadow: 0 0 0 2px var(--paper); }
.wf-avatar-stack .wf-avatar:first-child { margin-left: 0; }

/* ============================================================
   جای‌گیر تصویر ضربدرخورده (☒) — مثل وایرفریم
   ============================================================ */
.wf-thumb {
    background-color: var(--paper);
    border: 1.5px solid var(--line);
    border-radius: var(--radius-sm);
    position: relative;
    width: 100%; height: 100%;
    background-image:
        linear-gradient(to top right, transparent calc(50% - 1px), var(--line) calc(50% - 0.5px), var(--line) calc(50% + 0.5px), transparent calc(50% + 1px)),
        linear-gradient(to top left, transparent calc(50% - 1px), var(--line) calc(50% - 0.5px), var(--line) calc(50% + 0.5px), transparent calc(50% + 1px));
}

/* ============================================================
   برچسب‌ها — الگوهای خطیِ سیاه‌وسفید
   ============================================================ */
.wf-label {
    display: inline-flex; align-items: center; min-width: 40px; height: 22px;
    padding: 0 9px; font-size: 11.5px; font-weight: 800; color: var(--ink);
    border: 1.5px solid var(--line); border-radius: 5px; background: var(--paper);
}
.wf-label-bar {
    display: inline-block; width: 34px; height: 9px; border: 1.5px solid var(--line);
    border-radius: 4px; vertical-align: middle;
}
.wf-label-solid, .wf-label-bar.wf-label-solid { background: var(--ink); color: #fff; }
.wf-label-hatch { background-image: repeating-linear-gradient(45deg, var(--ink) 0 2px, transparent 2px 5px); }
.wf-label-cross { background-image: repeating-linear-gradient(45deg, var(--ink) 0 1.5px, transparent 1.5px 5px), repeating-linear-gradient(-45deg, var(--ink) 0 1.5px, transparent 1.5px 5px); }
.wf-label-dots { background-image: radial-gradient(var(--ink) 1.2px, transparent 1.3px); background-size: 6px 6px; }
.wf-label-vert { background-image: repeating-linear-gradient(90deg, var(--ink) 0 2px, transparent 2px 5px); }
.wf-label-horiz { background-image: repeating-linear-gradient(0deg, var(--ink) 0 2px, transparent 2px 5px); }
.wf-label.wf-label-hatch, .wf-label.wf-label-cross, .wf-label.wf-label-dots, .wf-label.wf-label-vert, .wf-label.wf-label-horiz { background-color: var(--paper); }

/* ============================================================
   فرم‌ها
   ============================================================ */
.wf-field { margin-bottom: 14px; }
.wf-label-text { display: block; font-weight: 800; font-size: 13px; margin-bottom: 6px; }
.wf-input, .wf-textarea, .wf-select {
    font-family: var(--font); font-size: 13.5px; width: 100%;
    padding: 9px 12px; border: 1.5px solid var(--line); border-radius: var(--radius-sm);
    background: var(--paper); color: var(--ink);
}
.wf-textarea { resize: vertical; min-height: 90px; line-height: 1.9; }
.wf-input:focus, .wf-textarea:focus, .wf-select:focus { outline: none; box-shadow: var(--shadow-hard); }
.wf-input::placeholder, .wf-textarea::placeholder { color: var(--muted); }
.wf-input.input-error, .wf-textarea.input-error { border-color: #c0392b; background: #fdf3f2; }
.field-error { color: #c0392b; font-size: 12px; margin-top: 5px; font-weight: 700; }
.field-ok { border-color: var(--ink); }

.wf-hint { font-size: 12px; color: var(--muted); margin-top: 4px; }
.char-count { float: left; font-size: 11.5px; color: var(--muted); }

/* فیلد تاریخ شمسی */
.wf-date { position: relative; }
.wf-date .wf-date-icon { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); color: var(--muted); pointer-events: none; }
.wf-date .jalali-date { padding-left: 34px; cursor: pointer; }

/* چک‌باکس و رادیو تخت */
.wf-check { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-weight: 600; }
.wf-check input { appearance: none; width: 18px; height: 18px; border: 1.5px solid var(--line); border-radius: 4px; background: var(--paper); position: relative; cursor: pointer; flex:none; }
.wf-check input:checked { background: var(--ink); }
.wf-check input:checked::after { content: "✓"; color: #fff; position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 800; }

/* ============================================================
   بج و چیپ
   ============================================================ */
.wf-badge {
    display: inline-flex; align-items: center; gap: 4px; padding: 1px 8px; font-size: 11.5px;
    font-weight: 800; border: 1.5px solid var(--line); border-radius: 999px; background: var(--paper);
}
.wf-badge-ink { background: var(--ink); color: #fff; }
.wf-chip {
    display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px; font-weight: 700; font-size: 13px;
    border: 1.5px solid var(--line); border-radius: 999px; background: var(--paper); cursor: pointer; color: var(--ink);
}
.wf-chip:hover { background: var(--hover); }
.wf-chip.active { background: var(--ink); color: #fff; }

/* آیکون‌های متادیتای کارت */
.wf-meta { display: inline-flex; align-items: center; gap: 3px; color: var(--muted); font-size: 12px; font-weight: 700; }

/* ============================================================
   پیج‌هدر
   ============================================================ */
.page-title { font-size: 30px; font-weight: 800; margin: 22px 0 4px; }
.section-title { font-size: 16px; font-weight: 800; margin: 26px 0 12px; display:flex; align-items:center; gap:8px; letter-spacing:.3px; }
.section-title .bi { font-size: 18px; }
.eyebrow { font-size: 12px; font-weight: 800; letter-spacing: 1px; color: var(--muted); text-transform: uppercase; }

/* ============================================================
   فوتر
   ============================================================ */
.wf-footer { border-top: 1.5px solid var(--line); background: var(--paper); margin-top: 40px; }
.wf-footer .cols { display: flex; flex-wrap: wrap; gap: 40px; padding: 28px 0; }
.wf-footer h5 { font-size: 13px; margin-bottom: 10px; }
.wf-footer a { display: block; color: var(--ink-2); padding: 3px 0; font-size: 13px; }
.wf-footer a:hover { text-decoration: underline; }
.wf-footer .copy { border-top: 1px solid var(--line-soft); text-align: center; padding: 14px; color: var(--muted); font-size: 12.5px; }

/* ============================================================
   کمکی‌ها
   ============================================================ */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-2 { gap: 8px; } .gap-3 { gap: 12px; } .gap-4 { gap: 16px; }
.grow { flex: 1; }
.wrap { flex-wrap: wrap; }
.mt-0{margin-top:0}.mt-1{margin-top:6px}.mt-2{margin-top:12px}.mt-3{margin-top:18px}.mt-4{margin-top:24px}
.mb-0{margin-bottom:0}.mb-1{margin-bottom:6px}.mb-2{margin-bottom:12px}.mb-3{margin-bottom:18px}
.text-center{text-align:center}

/* اسکرول‌بار نازکِ مشکی */
::-webkit-scrollbar { height: 10px; width: 10px; }
::-webkit-scrollbar-thumb { background: var(--ink); border-radius: 6px; border: 2px solid var(--bg); }
::-webkit-scrollbar-track { background: transparent; }

/* اعداد فارسی خودکار برای برخی عناصر */
.fa-num { font-variant-numeric: normal; }