/* =========================================================
   AI Startup OS — Design System
   Visual philosophy: Aseer luxury — ink + gold (landing spirit)
   ========================================================= */

:root {
  --color-primary: #c5a059;
  --color-secondary: #d4b87a;
  --color-accent: #e0c57a;
  --color-dark: #0b0f14;
  --color-ink: #0b0f14;
  --color-panel: #121820;
  --color-bg: #f7f5f1;
  --color-card: #FFFFFF;
  --color-border: rgba(20, 33, 43, 0.1);
  --color-muted: #5c6b76;
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-danger: #EF4444;

  --gradient-primary: linear-gradient(135deg, #e0c57a 0%, #c5a059 55%, #b8954a 100%);
  --gradient-soft: linear-gradient(160deg, rgba(197, 160, 89, 0.1) 0%, rgba(212, 184, 122, 0.06) 45%, #f7f5f1 100%);
  --gradient-hero:
    radial-gradient(1200px 600px at 10% -10%, rgba(197, 160, 89, 0.16), transparent 55%),
    radial-gradient(900px 500px at 90% 0%, rgba(212, 184, 122, 0.1), transparent 50%),
    var(--color-bg);

  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-sm: 0 1px 2px rgba(11, 15, 20, 0.05);
  --shadow-md: 0 10px 28px rgba(11, 15, 20, 0.07);
  --shadow-lg: 0 22px 50px rgba(11, 15, 20, 0.1);
  --shadow-glow: 0 12px 36px rgba(197, 160, 89, 0.28);

  --font-ar: "Tajawal", "IBM Plex Sans Arabic", sans-serif;
  --font-en: "Tajawal", Inter, sans-serif;
  --sidebar-width: 280px;
  --topbar-height: 72px;
  --transition: 220ms cubic-bezier(0.22, 1, 0.36, 1);
}

[dir="rtl"] body { font-family: var(--font-ar); }
[dir="ltr"] body { font-family: var(--font-en); }

* { box-sizing: border-box; }

html, body {
  min-height: 100%;
  background: var(--gradient-hero);
  color: var(--color-dark);
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  letter-spacing: 0;
  line-height: 1.6;
}

[dir="rtl"] body {
  letter-spacing: 0;
  word-spacing: 0;
}

html[dir="rtl"] body,
html[lang^="ar"] body {
  letter-spacing: 0;
}

a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-secondary); }

/* Typography */
.ds-display {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0;
}

.ds-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
}

.ds-subtitle {
  color: var(--color-muted);
  font-size: 1rem;
  line-height: 1.6;
  margin: 0.35rem 0 0;
}

.ds-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-muted);
}

html[dir="rtl"] .ds-display,
html[dir="rtl"] .ds-title,
html[dir="rtl"] h1,
html[dir="rtl"] h2,
html[dir="rtl"] h3 {
  letter-spacing: 0;
  line-height: 1.45;
}

html[dir="rtl"] .ds-label {
  text-transform: none;
  letter-spacing: 0;
  line-height: 1.5;
}

/* Glass */
.ds-glass {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.65);
  box-shadow: var(--shadow-md);
}

/* Surfaces */
.ds-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 1.25rem 1.5rem;
  transition: transform var(--transition), box-shadow var(--transition);
}

.ds-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.ds-card-interactive { cursor: pointer; }

/* Buttons */
.ds-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: none;
  border-radius: 999px;
  padding: 0.85rem 1.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
}

.ds-btn:active { transform: scale(0.98); }

.ds-btn-primary {
  color: #14110b;
  background: var(--gradient-primary);
  box-shadow: var(--shadow-glow);
}

.ds-btn-primary:hover {
  box-shadow: 0 16px 40px rgba(197, 160, 89, 0.38);
  color: #14110b;
}

.ds-btn-secondary {
  background: #fff;
  color: var(--color-dark);
  border: 1px solid var(--color-border);
}

.ds-btn-secondary:hover {
  border-color: rgba(197, 160, 89, 0.25);
  color: var(--color-primary);
}

.ds-btn-ghost {
  background: transparent;
  color: var(--color-muted);
}

.ds-btn-ghost:hover {
  background: rgba(197, 160, 89, 0.06);
  color: var(--color-primary);
}

/* Forms */
.ds-input,
.ds-select {
  width: 100%;
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-md);
  padding: 0.9rem 1rem;
  font-size: 1rem;
  color: var(--color-dark);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.ds-input:focus,
.ds-select:focus {
  outline: none;
  border-color: rgba(197, 160, 89, 0.45);
  box-shadow: 0 0 0 4px rgba(197, 160, 89, 0.12);
}

.ds-form-group { margin-bottom: 1.1rem; }
.ds-form-label {
  display: block;
  margin-bottom: 0.45rem;
  font-weight: 600;
  font-size: 0.9rem;
}

/* KPI */
.ds-kpi {
  position: relative;
  overflow: hidden;
}

.ds-kpi::after {
  content: "";
  position: absolute;
  inset-inline-end: -20%;
  top: -30%;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(197, 160, 89, 0.12), transparent 70%);
  pointer-events: none;
}

.ds-kpi-value {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0.35rem 0 0;
}

.ds-kpi-delta {
  font-size: 0.8rem;
  color: var(--color-success);
  font-weight: 600;
}

/* Layout shell */
.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  min-height: 100vh;
}

.app-sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 1.25rem;
  border-inline-end: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  overflow-y: auto;
}

.app-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.5rem 0.75rem 1.5rem;
}

.app-brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: var(--gradient-primary);
  box-shadow: var(--shadow-glow);
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
}

.app-brand-text {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.app-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.app-nav-section {
  margin: 1.25rem 0.75rem 0.4rem;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.app-nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0.9rem;
  border-radius: 14px;
  color: #334155;
  font-weight: 500;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.app-nav-link i { font-size: 1.1rem; opacity: 0.85; }

.app-nav-link:hover {
  background: rgba(197, 160, 89, 0.06);
  color: var(--color-primary);
}

.app-nav-link.active {
  background: linear-gradient(135deg, rgba(197, 160, 89, 0.12), rgba(212, 184, 122, 0.1));
  color: var(--color-primary);
  font-weight: 650;
}

.app-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.app-topbar {
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 1.75rem;
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(248, 250, 252, 0.75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
}

.app-content {
  padding: 1.5rem 1.75rem 2.5rem;
}

/* Auth — landing spirit */
.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
  background:
    radial-gradient(900px 500px at 15% 10%, rgba(197, 160, 89, 0.22), transparent 55%),
    radial-gradient(700px 400px at 85% 20%, rgba(212, 184, 122, 0.12), transparent 50%),
    linear-gradient(180deg, #0b0f14 0%, #121820 55%, #0b0f14 100%);
  color: #eef1f4;
}

.auth-shell .ds-title { color: #fff; }
.auth-shell .ds-subtitle,
.auth-shell .text-muted,
.auth-shell .ds-label { color: #8b97a5 !important; }
.auth-shell .ds-form-label { color: #eef1f4; }
.auth-shell a { color: var(--color-primary); }

.auth-card {
  width: min(440px, 100%);
  padding: 2.25rem;
  border-radius: var(--radius-xl);
  background: rgba(18, 24, 32, 0.92) !important;
  border: 1px solid rgba(197, 160, 89, 0.22);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.35);
  color: #eef1f4;
}

.auth-logo {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: var(--gradient-primary);
  box-shadow: var(--shadow-glow);
  display: grid;
  place-items: center;
  color: #14110b;
  font-weight: 800;
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
}

.auth-shell .ds-input,
.auth-shell .ds-select {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.auth-shell .ds-input:focus,
.auth-shell .ds-select:focus {
  border-color: rgba(197, 160, 89, 0.55);
  box-shadow: 0 0 0 4px rgba(197, 160, 89, 0.16);
}

.auth-shell .role-chip {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.1);
  color: #eef1f4;
}

.auth-shell .role-chip:hover {
  border-color: rgba(197, 160, 89, 0.45);
}

/* Empty state */
.ds-empty {
  text-align: center;
  padding: 3rem 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px dashed rgba(197, 160, 89, 0.2);
  background: rgba(255, 255, 255, 0.6);
}

.ds-empty-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  border-radius: 20px;
  display: grid;
  place-items: center;
  background: rgba(197, 160, 89, 0.08);
  color: var(--color-primary);
  font-size: 1.5rem;
}

/* Timeline */
.ds-timeline { list-style: none; padding: 0; margin: 0; }
.ds-timeline li {
  position: relative;
  padding: 0 0 1.15rem 1.25rem;
  border-inline-start: 2px solid rgba(197, 160, 89, 0.12);
}
.ds-timeline li::before {
  content: "";
  position: absolute;
  inset-inline-start: -5px;
  top: 0.35rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(197, 160, 89, 0.12);
}

/* Badges */
.ds-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 650;
  background: rgba(197, 160, 89, 0.08);
  color: var(--color-primary);
}

.ds-badge-warning { background: rgba(245, 158, 11, 0.12); color: #B45309; }
.ds-badge-danger { background: rgba(239, 68, 68, 0.12); color: #B91C1C; }
.ds-badge-success { background: rgba(16, 185, 129, 0.12); color: #047857; }

/* Animations */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes shimmer {
  0% { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}

.animate-fade-up { animation: fadeUp 0.55s var(--transition) both; }
.animate-scale-in { animation: scaleIn 0.45s var(--transition) both; }
.delay-1 { animation-delay: 0.05s; }
.delay-2 { animation-delay: 0.1s; }
.delay-3 { animation-delay: 0.15s; }
.delay-4 { animation-delay: 0.2s; }

.skeleton {
  background: linear-gradient(90deg, #EEF2F7 25%, #F8FAFC 37%, #EEF2F7 63%);
  background-size: 800px 100%;
  animation: shimmer 1.4s infinite linear;
  border-radius: 12px;
}

/* Utilities */
.grid-kpi {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1rem;
}

.text-muted { color: var(--color-muted); }
.stack-sm { display: flex; flex-direction: column; gap: 0.75rem; }
.stack-md { display: flex; flex-direction: column; gap: 1rem; }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }

@media (max-width: 1100px) {
  .grid-kpi { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }
  .app-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(86vw, 300px);
    transform: translateX(-105%);
    z-index: 40;
    transition: transform var(--transition);
  }
  [dir="rtl"] .app-sidebar { inset: 0 0 0 auto; transform: translateX(105%); }
  .app-sidebar.open { transform: translateX(0); }
}

/* Landing */
.landing { min-height: 100vh; }
.landing-nav {
  position: sticky; top: 0; z-index: 30;
  backdrop-filter: blur(16px);
  background: rgba(248,250,252,.78);
  border-bottom: 1px solid var(--color-border);
}
.landing-nav-inner {
  max-width: 1120px; margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.landing-brand { display: flex; align-items: center; gap: .85rem; }
.landing-brand-sub { font-size: .78rem; color: var(--color-muted); }
.landing-hero {
  max-width: 1120px; margin: 0 auto;
  padding: 4.5rem 1.5rem 3rem;
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 2.5rem; align-items: center;
}
.landing-eyebrow { color: var(--color-muted); font-weight: 600; margin-bottom: .75rem; }
.landing-brand-hero {
  font-size: clamp(2.6rem, 5vw, 4rem);
  font-weight: 800; letter-spacing: -0.04em; line-height: 1.05; margin: 0;
  background: var(--gradient-primary);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.landing-lead { font-size: 1.15rem; color: var(--color-muted); line-height: 1.7; margin-top: 1rem; max-width: 34rem; }
.landing-hero-visual { min-height: 360px; display: grid; place-items: center; }
.landing-panel {
  width: 100%; max-width: 440px;
  border-radius: 24px; padding: 1.25rem;
  background: rgba(255,255,255,.82);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
}
.landing-panel-top { display: flex; gap: .4rem; margin-bottom: 1rem; }
.landing-panel-top span { width: 10px; height: 10px; border-radius: 50%; background: #E2E8F0; }
.landing-panel-top span:first-child { background: #F87171; }
.landing-panel-top span:nth-child(2) { background: #FBBF24; }
.landing-panel-top span:nth-child(3) { background: #34D399; }
.landing-panel-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.landing-mini-kpi {
  padding: .9rem; border-radius: 16px;
  background: linear-gradient(160deg, rgba(197,160,89,.06), rgba(212,184,122,.05));
}
.landing-mini-kpi strong { font-size: 1.5rem; letter-spacing: -0.03em; }
.landing-panel-line {
  height: 72px; margin: 1rem 0; border-radius: 14px;
  background: linear-gradient(90deg, rgba(197,160,89,.15), rgba(212,184,122,.2), rgba(197,160,89,.08));
}
.landing-panel-agents { display: flex; flex-wrap: wrap; gap: .45rem; }
.landing-panel-agents span {
  font-size: .75rem; font-weight: 600; padding: .35rem .65rem; border-radius: 999px;
  background: rgba(197,160,89,.08); color: var(--color-primary);
}
.landing-section { max-width: 1120px; margin: 0 auto; padding: 2rem 1.5rem 3rem; }
.landing-section-head { margin-bottom: 1.5rem; max-width: 40rem; }
.landing-roles {
  display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1rem;
}
.landing-roles h3 { font-size: 1.05rem; margin: .35rem 0 .5rem; }
.landing-roles p { color: var(--color-muted); margin: 0; font-size: .92rem; }
.landing-cta { padding-bottom: 4rem; }
.landing-cta-card { padding: 2.5rem; text-align: center; border-radius: var(--radius-xl); }
.landing-footer {
  max-width: 1120px; margin: 0 auto; padding: 1.5rem;
  display: flex; justify-content: space-between; color: var(--color-muted); font-size: .9rem;
  border-top: 1px solid var(--color-border);
}
.role-chip {
  width: 100%; text-align: start;
  display: flex; flex-direction: column; gap: .15rem;
  padding: .75rem 1rem; border-radius: 14px;
  border: 1px solid var(--color-border); background: #fff;
  cursor: pointer; transition: border-color var(--transition), transform var(--transition);
}
.role-chip:hover { border-color: rgba(197,160,89,.35); transform: translateY(-1px); }
.role-chip span { color: var(--color-muted); font-size: .82rem; }

@media (max-width: 900px) {
  .landing-hero { grid-template-columns: 1fr; padding-top: 2.5rem; }
  .landing-roles { grid-template-columns: 1fr; }
  .landing-nav-inner { flex-wrap: wrap; }
}