/* ============================================================
   Academy Chat — Brand design system
   Identity: white / black / red
   ============================================================ */
:root {
  --brand-red: #e10600;
  --brand-red-dark: #b00500;
  --brand-red-soft: #ffe9e8;
  --brand-black: #0d0d0d;
  --brand-ink: #1b1b1f;
  --brand-gray: #6b7280;
  --brand-line: #e7e9ee;
  --brand-surface: #ffffff;
  --brand-bg: #f5f6f8;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(13, 13, 13, .06), 0 1px 3px rgba(13, 13, 13, .05);
  --shadow: 0 6px 24px rgba(13, 13, 13, .08);
  --shadow-lg: 0 18px 50px rgba(13, 13, 13, .16);
}

html { font-size: 14px; }
@media (min-width: 768px) { html { font-size: 16px; } }

body {
  font-family: "Segoe UI", "Tajawal", Tahoma, system-ui, sans-serif;
  background: var(--brand-bg);
  color: var(--brand-ink);
}

a { color: var(--brand-red); text-decoration: none; }
a:hover { color: var(--brand-red-dark); }

/* ---- Color overrides (map Bootstrap "primary" to brand red) ---- */
.bg-primary { background-color: var(--brand-black) !important; }
.text-primary { color: var(--brand-red) !important; }
.border-primary { border-color: var(--brand-red) !important; }

.btn-primary {
  --bs-btn-bg: var(--brand-red);
  --bs-btn-border-color: var(--brand-red);
  --bs-btn-hover-bg: var(--brand-red-dark);
  --bs-btn-hover-border-color: var(--brand-red-dark);
  --bs-btn-active-bg: var(--brand-red-dark);
  --bs-btn-active-border-color: var(--brand-red-dark);
  --bs-btn-disabled-bg: var(--brand-red);
  --bs-btn-disabled-border-color: var(--brand-red);
  box-shadow: 0 6px 16px rgba(225, 6, 0, .25);
}
.btn-outline-primary {
  --bs-btn-color: var(--brand-red);
  --bs-btn-border-color: var(--brand-red);
  --bs-btn-hover-bg: var(--brand-red);
  --bs-btn-hover-border-color: var(--brand-red);
  --bs-btn-active-bg: var(--brand-red);
}
.btn { border-radius: 999px; font-weight: 600; padding-inline: 1.1rem; }
.btn-sm { padding-inline: .8rem; }
.badge.bg-primary { background-color: var(--brand-red) !important; }

/* ---- Cards / surfaces ---- */
.card {
  border: 1px solid var(--brand-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.card.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.table { --bs-table-hover-bg: #fafbfc; }
.table > :not(caption) > * > * { padding: .85rem 1rem; }
.table-light th { color: var(--brand-gray); font-weight: 700; text-transform: none; }

h1, h2, h3, h4 { font-weight: 800; letter-spacing: -.01em; color: var(--brand-black); }

/* ---- Navbar ---- */
.navbar.bg-primary {
  background: linear-gradient(90deg, var(--brand-black), #232327) !important;
  border-bottom: 3px solid var(--brand-red);
}
.navbar-brand { letter-spacing: -.02em; }
.navbar-brand .fa-shield-halved { color: var(--brand-red); }
.navbar .nav-link {
  border-radius: 999px;
  padding: .35rem .85rem !important;
  margin-inline: .1rem;
  transition: background .15s, color .15s;
  color: rgba(255, 255, 255, .82) !important;
  font-weight: 600;
}
.navbar .nav-link:hover { background: rgba(255, 255, 255, .12); color: #fff !important; }
.navbar .nav-link.active { background: var(--brand-red); color: #fff !important; }

/* ---- Chat ---- */
.chat-wrapper {
  height: calc(100vh - 150px);
  min-height: 480px;
  border-radius: var(--radius);
  border: 1px solid var(--brand-line);
  box-shadow: var(--shadow);
}
.room-list { overflow-y: auto; background: #fff; }
.room-item { cursor: pointer; transition: background .15s, border-color .15s; border-inline-start: 3px solid transparent; }
.room-item:hover { background: #fafafa; }
.room-item.active { background: var(--brand-red-soft); border-inline-start-color: var(--brand-red); }

.chat-panel { height: 100%; }
.chat-messages {
  overflow-y: auto;
  background:
    radial-gradient(circle at 1px 1px, rgba(13,13,13,.04) 1px, transparent 0) 0 0 / 22px 22px,
    #fbfbfc;
}

.msg-bubble {
  max-width: 72%;
  padding: .55rem .8rem;
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  word-break: break-word;
}
.msg-bubble.mine { background: #fff; border: 1px solid var(--brand-line); border-top-right-radius: 4px; }
.msg-bubble.theirs { background: var(--brand-black); color: #fff; border-top-left-radius: 4px; }
.msg-bubble.theirs .text-primary { color: #ff9b97 !important; }
.msg-bubble.theirs .text-muted { color: rgba(255,255,255,.6) !important; }

.unread { background: var(--brand-red) !important; }

/* ---- Stat / KPI cards ---- */
.kpi-card { border-radius: var(--radius); border: 1px solid var(--brand-line); background: #fff; transition: transform .15s, box-shadow .15s; }
.kpi-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }

/* ---- Auth screens ---- */
.auth-shell { min-height: calc(100vh - 130px); display: grid; place-items: center; }
.auth-card { width: 100%; max-width: 420px; border-radius: var(--radius); box-shadow: var(--shadow-lg); border: none; overflow: hidden; }
.auth-card .auth-head { background: var(--brand-black); color: #fff; padding: 1.6rem; border-bottom: 3px solid var(--brand-red); }

/* ---- Guidelines / contact panels ---- */
.guideline-item { display: flex; gap: .6rem; align-items: flex-start; padding: .35rem 0; font-size: .92rem; }
.guideline-item i { color: var(--brand-red); margin-top: .2rem; }
.contact-card { display: flex; gap: .6rem; align-items: center; border: 1px solid var(--brand-line); border-radius: var(--radius-sm); padding: .55rem .75rem; margin-bottom: .5rem; color: var(--brand-black); transition: background .15s, border-color .15s; }
a.contact-card:hover { background: var(--brand-red-soft); border-color: var(--brand-red); color: var(--brand-black); }
.contact-card i { width: 20px; text-align: center; font-size: 1.1rem; }
.contact-card span { color: #777; font-size: .85rem; min-width: 110px; }
.contact-card b { margin-inline-start: auto; }

/* ============================================================
   Public landing page
   ============================================================ */
.lp { color: var(--brand-ink); }
.lp-nav { background: rgba(13,13,13,.92); backdrop-filter: blur(8px); border-bottom: 1px solid rgba(255,255,255,.08); }
.lp-nav .navbar-brand, .lp-nav .nav-link { color: #fff !important; }
.lp-nav .fa-shield-halved { color: var(--brand-red); }

.lp-hero {
  position: relative;
  background: radial-gradient(1200px 500px at 80% -10%, rgba(225,6,0,.35), transparent 60%), var(--brand-black);
  color: #fff;
  overflow: hidden;
}
.lp-hero::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 40px 40px; mask-image: linear-gradient(180deg, #000, transparent);
}
.lp-hero > * { position: relative; z-index: 1; }
.lp-hero h1 { color: #fff; font-size: clamp(2rem, 5vw, 3.6rem); line-height: 1.1; }
.lp-pill { display: inline-flex; align-items: center; gap: .5rem; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18); padding: .4rem .9rem; border-radius: 999px; font-weight: 600; font-size: .85rem; }
.lp-hero .text-red { color: #ff5b54; }

.lp-section { padding: clamp(3rem, 7vw, 6rem) 0; }
.feature-card { height: 100%; background: #fff; border: 1px solid var(--brand-line); border-radius: var(--radius); padding: 1.6rem; transition: transform .18s, box-shadow .18s; }
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.feature-ico { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 14px; background: var(--brand-red-soft); color: var(--brand-red); font-size: 1.4rem; margin-bottom: 1rem; }

.price-card { height: 100%; border: 1px solid var(--brand-line); border-radius: var(--radius); background: #fff; padding: 2rem; }
.price-card.featured { border: 2px solid var(--brand-red); box-shadow: var(--shadow-lg); position: relative; }
.price-card.featured::before { content: "الأكثر طلباً"; position: absolute; top: -13px; inset-inline-start: 50%; transform: translateX(50%); background: var(--brand-red); color: #fff; font-size: .75rem; font-weight: 700; padding: .25rem .8rem; border-radius: 999px; }
.price-amount { font-size: 2.5rem; font-weight: 800; color: var(--brand-black); }

.lp-footer { background: var(--brand-black); color: rgba(255,255,255,.7); }
.lp-footer a { color: rgba(255,255,255,.7); }
.lp-footer a:hover { color: #fff; }