/* ==========================================================================
   Vitas Ultra-Premium UI - Complete Redesign (Top Navbar Architecture)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;600;700;800;900&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  --font-en: 'Outfit', sans-serif;
  --font-ar: 'Cairo', sans-serif;
  
  --bg-dark: #020617; /* Slate 950 */
  --bg-card: rgba(15, 23, 42, 0.65); /* Slate 900 with transparency */
  --bg-card-hover: rgba(30, 41, 59, 0.85); /* Slate 800 */
  
  --border-color: rgba(148, 163, 184, 0.1);
  --border-glow: rgba(99, 102, 241, 0.4);
  
  --primary: #6366f1; /* Indigo */
  --primary-hover: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.5);
  
  --secondary: #8b5cf6; /* Violet */
  --secondary-glow: rgba(139, 92, 246, 0.5);
  
  --accent: #10b981; /* Emerald */
  --accent-glow: rgba(16, 185, 129, 0.4);
  
  --warning: #f59e0b; /* Amber */
  --danger: #ef4444; /* Red */
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  
  --glass-blur: blur(16px);
  --shadow-lg: 0 20px 40px -15px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.15);
  
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 8px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  min-height: 100vh;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-en);
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* Typography Helpers */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-accent { color: var(--accent); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.mt-4 { margin-top: 1.5rem; }
.mb-4 { margin-bottom: 1.5rem; }
.w-full { width: 100%; }

/* Background Glowing Orbs */
.orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  z-index: -1;
  opacity: 0.15;
  pointer-events: none;
}
.orb-1 {
  width: 60vw;
  height: 60vw;
  max-width: 800px;
  max-height: 800px;
  background: radial-gradient(circle, var(--primary), transparent);
  top: -20%;
  left: -10%;
  animation: floatOrb 20s ease-in-out infinite alternate;
}
.orb-2 {
  width: 50vw;
  height: 50vw;
  max-width: 600px;
  max-height: 600px;
  background: radial-gradient(circle, var(--secondary), transparent);
  bottom: -20%;
  right: -10%;
  animation: floatOrb 15s ease-in-out infinite alternate-reverse;
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(50px, 50px) scale(1.1); }
}

/* ==========================================================================
   Top Navbar (Desktop)
   ========================================================================== */
.top-navbar {
  position: sticky;
  top: 0;
  width: 100%;
  background: rgba(2, 6, 23, 0.7);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Brand */
.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}
.brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 4px 15px var(--primary-glow);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-size: 1.4rem; font-weight: 800; letter-spacing: -0.5px; }
.brand-sub { font-size: 0.65rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 1px; }

/* Desktop Navigation Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}
.nav-link i { font-size: 1rem; opacity: 0.8; transition: var(--transition-fast); }
.nav-link:hover { color: #fff; background: rgba(255, 255, 255, 0.05); }
.nav-link.active {
  color: #fff;
  background: rgba(99, 102, 241, 0.15);
  box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.3);
}
.nav-link.active i { color: var(--primary-light); opacity: 1; }
.nav-link.icon-link { padding: 10px; border-radius: 50%; }

/* Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.lang-select {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  outline: none;
}
.lang-select:focus { border-color: var(--primary); }

.mobile-menu-btn {
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.4);
  color: #ffffff;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.2);
}
.mobile-menu-btn:hover {
  background: rgba(99, 102, 241, 0.3);
  border-color: var(--primary);
}

/* ==========================================================================
   Mobile Drawer Navigation
   ========================================================================== */
.mobile-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}
.mobile-backdrop.active { opacity: 1; visibility: visible; }

.mobile-drawer {
  position: fixed;
  top: 0;
  bottom: 0;
  right: -320px;
  width: 280px;
  background: #0f172a;
  border-left: 1px solid var(--border-color);
  z-index: 1001;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
}
.mobile-drawer.open {
  right: 0 !important;
}

body[dir="rtl"] .mobile-drawer, body.rtl-dir .mobile-drawer {
  right: auto;
  left: -320px;
  border-left: none;
  border-right: 1px solid var(--border-color);
}
body[dir="rtl"] .mobile-drawer.open, body.rtl-dir .mobile-drawer.open {
  left: 0 !important;
  right: auto !important;
}

.drawer-header {
  padding: 2rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 12px;
}
.drawer-links {
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
}
.drawer-divider {
  height: 1px;
  background: var(--border-color);
  margin: 10px 0;
}

/* ==========================================================================
   Main Layout & Content
   ========================================================================== */
.main-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 3rem 2rem 5rem;
}

.page-header {
  margin-bottom: 3.5rem;
}
.gradient-text {
  font-size: 2.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, #fff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}
.page-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Tabs */
.tab-content {
  display: none;
  animation: fadeUp 0.4s ease forwards;
}
.tab-content.active { display: block; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Glass Cards */
.premium-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255,255,255,0.05);
  transition: var(--transition);
}
.premium-card:hover {
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}
.card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}
.card-header i { font-size: 1.4rem; }
.card-header h3 { font-size: 1.25rem; font-weight: 700; color: #fff; }

/* Grids */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
.gap-sm { gap: 1rem; }

/* Forms & Inputs */
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; font-size: 0.95rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 8px; }
textarea, input[type="text"], input[type="email"], input[type="password"], select.tone-select {
  width: 100%;
  background: rgba(2, 6, 23, 0.5);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  color: var(--text-primary);
  font-size: 1rem;
  font-family: inherit;
  outline: none;
  transition: var(--transition-fast);
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.2);
}
textarea:focus, input:focus, select.tone-select:focus {
  border-color: var(--primary);
  background: rgba(2, 6, 23, 0.8);
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.2), 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.divider {
  text-align: center; margin: 2rem 0; position: relative;
}
.divider::before {
  content: ''; position: absolute; left: 0; top: 50%; width: 100%; height: 1px; background: var(--border-color); z-index: 1;
}
.divider span {
  background: var(--bg-dark); padding: 0 15px; color: var(--text-muted); font-size: 0.8rem; font-weight: 700; position: relative; z-index: 2; letter-spacing: 1px;
}

/* Buttons */
.btn {
  padding: 14px 24px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: var(--transition-fast);
  font-family: inherit;
  text-decoration: none;
}
.btn-sm { padding: 10px 18px; font-size: 0.9rem; border-radius: var(--radius-sm); }
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  box-shadow: 0 10px 25px -5px var(--primary-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 15px 35px -5px var(--primary-glow); }
.btn-secondary {
  background: rgba(168, 85, 247, 0.15);
  color: #d8b4fe;
  border: 1px solid rgba(168, 85, 247, 0.3);
}
.btn-secondary:hover { background: rgba(168, 85, 247, 0.25); border-color: var(--secondary); }
.btn-accent {
  background: rgba(16, 185, 129, 0.15);
  color: #6ee7b7;
  border: 1px solid rgba(16, 185, 129, 0.3);
}
.btn-accent:hover { background: rgba(16, 185, 129, 0.25); border-color: var(--accent); }
.btn-outline {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}
.btn-outline:hover { background: rgba(255, 255, 255, 0.08); border-color: rgba(255,255,255,0.2); }
.btn-danger-outline {
  background: rgba(239, 68, 68, 0.1);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.2);
}
.btn-whatsapp { background: #25D366; color: #000; box-shadow: 0 10px 25px rgba(37,211,102,0.3); }

/* Dropzone Upload */
.dropzone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 3rem 2rem;
  text-align: center;
  background: rgba(2, 6, 23, 0.3);
  cursor: pointer;
  transition: var(--transition-fast);
}
.dropzone:hover { border-color: var(--primary); background: rgba(99, 102, 241, 0.05); }
.dropzone-icon {
  width: 64px; height: 64px; border-radius: 50%; background: rgba(99, 102, 241, 0.1); color: var(--primary-light);
  display: inline-flex; align-items: center; justify-content: center; font-size: 1.5rem; margin-bottom: 1rem;
}

/* ATS Scanner Results */
.ats-score-circle {
  width: 160px; height: 160px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto; transition: var(--transition);
  background: var(--bg-card); /* Fallback */
}
.ats-score-circle .score-inner {
  width: 130px; height: 130px; border-radius: 50%;
  background: var(--bg-dark);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  box-shadow: inset 0 4px 10px rgba(0,0,0,0.5);
}
.score-number { font-size: 3rem; font-weight: 900; line-height: 1; background: linear-gradient(to bottom, #fff, #94a3b8); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.score-label { font-size: 1rem; color: var(--text-muted); font-weight: 700; margin-top: 4px; }

/* Keyword Badges */
.keywords-grid { display: flex; flex-wrap: wrap; gap: 12px; }
.keyword-badge {
  padding: 8px 16px; border-radius: 999px; font-size: 0.9rem; font-weight: 600; display: inline-flex; align-items: center; gap: 8px;
}
.keyword-badge.found { background: rgba(16, 185, 129, 0.15); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3); }
.keyword-badge.missing { background: rgba(239, 68, 68, 0.15); color: #fca5a5; border: 1px solid rgba(239, 68, 68, 0.3); }

/* Check Items */
.checks-list { display: flex; flex-direction: column; gap: 10px; }
.check-item {
  display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-radius: var(--radius-sm); font-size: 0.95rem; font-weight: 500;
}
.check-item.success { background: rgba(16, 185, 129, 0.1); color: #a7f3d0; border: 1px solid rgba(16,185,129,0.2); }
.check-item.danger { background: rgba(239, 68, 68, 0.1); color: #fca5a5; border: 1px solid rgba(239,68,68,0.2); }

.recs-list { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.recs-list li {
  padding: 14px 18px; background: rgba(245, 158, 11, 0.08); border-left: 4px solid var(--warning); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-primary); font-size: 0.95rem; line-height: 1.5;
}
body[dir="rtl"] .recs-list li { border-left: none; border-right: 4px solid var(--warning); border-radius: var(--radius-sm) 0 0 var(--radius-sm); }

/* Builder Layout */
.builder-split { display: grid; grid-template-columns: 450px 1fr; gap: 2.5rem; }
.builder-controls { max-height: 85vh; overflow-y: auto; padding-inline-end: 12px; }
.resume-preview-container {
  background: #fff; border-radius: var(--radius-md); padding: 50px;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5); color: #0f172a; min-height: 800px;
}

/* Cover Letter Output */
.cover-letter-output {
  white-space: pre-line; font-family: 'Times New Roman', serif; line-height: 1.7; color: #111827;
  background: #ffffff; padding: 50px; border-radius: var(--radius-md); min-height: 500px;
}

/* History Tab */
.history-list { display: flex; flex-direction: column; gap: 16px; }

/* Settings Grid */
.settings-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 2rem; align-items: flex-start; }
.pro-card { background: linear-gradient(180deg, rgba(30, 41, 59, 0.8), rgba(15, 23, 42, 0.9)); border: 1px solid rgba(255,215,0,0.3); }
.pro-badge { display: inline-flex; align-items: center; gap: 8px; background: linear-gradient(135deg, #fbbf24, #f59e0b); color: #000; padding: 8px 16px; border-radius: 999px; font-weight: 800; font-size: 1.1rem; }
.price-tag { font-size: 3rem; font-weight: 900; color: #fff; line-height: 1; }
.features-list { list-style: none; padding: 0; margin-top: 24px; display: flex; flex-direction: column; gap: 12px; text-align: start; }
.features-list li { display: flex; align-items: center; gap: 12px; font-size: 0.95rem; }

/* Loader */
.loader-container { display: none; flex-direction: column; align-items: center; justify-content: center; padding: 3rem; gap: 20px; }
.spinner { width: 40px; height: 40px; border: 4px solid rgba(99, 102, 241, 0.1); border-top: 4px solid var(--primary); border-radius: 50%; animation: spin 1s linear infinite; }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: rgba(0,0,0,0.2); }
::-webkit-scrollbar-thumb { background: rgba(148, 163, 184, 0.2); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* Global Warning */
.global-warning { background: rgba(239, 68, 68, 0.15); color: #fca5a5; text-align: center; padding: 12px; font-weight: 600; font-size: 0.9rem; border-bottom: 1px solid rgba(239, 68, 68, 0.3); }

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .nav-links.desktop-only { display: none; }
  .icon-link.desktop-only { display: none; }
  .mobile-menu-btn.mobile-only { display: flex; }
  
  .builder-split { grid-template-columns: 1fr; }
  .settings-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .main-container { padding: 2rem 1.5rem; }
  .gradient-text { font-size: 1.8rem; }
  .premium-card { padding: 1.5rem; }
  .card-header { flex-direction: column; align-items: flex-start; gap: 8px; }
  .ats-score-circle { width: 130px; height: 130px; }
  .ats-score-circle .score-inner { width: 105px; height: 105px; }
  .score-number { font-size: 2.2rem; }
  .resume-preview-container { padding: 25px; }
  .cover-letter-output { padding: 25px; }
}