/* iosi.live - Modern High Performance Stylesheet */
:root {
  --primary: #8338ec;
  --primary-light: #9d4edd;
  --primary-dark: #6a00f4;
  --primary-subtle: #f0e6ff;
  --primary-glow: rgba(131, 56, 236, 0.35);
  
  --bg-gradient: radial-gradient(120% 120% at 80% 15%, #EBE4FB 0%, #F7F4FD 50%, #E6DCFA 100%);
  --card-bg: rgba(255, 255, 255, 0.88);
  --card-border: rgba(255, 255, 255, 0.95);
  --card-shadow: 0 16px 40px -10px rgba(106, 0, 244, 0.12), 0 4px 12px rgba(0, 0, 0, 0.03);
  --inner-glow: 0 0 0 1px rgba(255, 255, 255, 0.8) inset;
  
  --text-main: #1e1935;
  --text-muted: #797194;
  --text-light: #a49cb8;
  --text-white: #ffffff;
  
  --success: #10b981;
  --success-glow: rgba(16, 185, 129, 0.4);
  --danger: #ef4444;
  --warning: #f59e0b;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --radius-pill: 9999px;
  
  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
  
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

[dir="rtl"] {
  --font-sans: "Segoe UI", "Tahoma", "Cairo", sans-serif;
}

/* Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--text-main);
  background: var(--bg-gradient);
  background-attachment: fixed;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Global Floating 3D Background elements */
.ambient-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient-heart {
  position: absolute;
  filter: drop-shadow(0 15px 35px rgba(131, 56, 236, 0.25));
  opacity: 0.85;
  animation: floatSlow 8s ease-in-out infinite alternate;
}

.heart-bottom-left {
  bottom: -40px;
  left: -30px;
  width: 240px;
  height: 240px;
  animation-duration: 9s;
}

.heart-top-right {
  top: 15px;
  right: 12%;
  width: 90px;
  height: 90px;
  animation-duration: 7s;
  animation-delay: -3s;
}

.ambient-ribbon {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 180px;
  background: radial-gradient(ellipse at 50% 100%, rgba(175, 128, 255, 0.22) 0%, rgba(255, 255, 255, 0) 70%);
  pointer-events: none;
}

@keyframes floatSlow {
  0% { transform: translateY(0) rotate(0deg) scale(1); }
  50% { transform: translateY(-15px) rotate(4deg) scale(1.03); }
  100% { transform: translateY(-25px) rotate(-3deg) scale(0.98); }
}

/* Top Global Navigation Bar */
.global-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: 0 4px 20px rgba(106, 0, 244, 0.05);
  padding: 10px 24px;
}

.global-bar-inner {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
}

.brand-logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, #9d4edd, #6a00f4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 6px 16px rgba(106, 0, 244, 0.3);
}

.brand-title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #1e1935 30%, #6a00f4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-subtitle {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: -2px;
}

/* Quick Controls: View Modes, Language, Location */
.global-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.view-mode-tabs {
  display: flex;
  align-items: center;
  background: rgba(131, 56, 236, 0.08);
  padding: 4px;
  border-radius: var(--radius-pill);
}

.view-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-muted);
  border: none;
  background: transparent;
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
}

.view-tab-btn:hover {
  color: var(--primary);
}

.view-tab-btn.active {
  background: #ffffff;
  color: var(--primary-dark);
  box-shadow: 0 2px 8px rgba(106, 0, 244, 0.15);
}

.control-pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  background: #ffffff;
  border: 1px solid rgba(131, 56, 236, 0.15);
  border-radius: var(--radius-pill);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
  transition: var(--transition-fast);
}

.control-pill-btn:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(131, 56, 236, 0.12);
  transform: translateY(-1px);
}

.fast-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.25);
}

/* Modals (Language & Location & Video Chat & Match) */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(22, 14, 45, 0.65);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  box-shadow: 0 25px 60px rgba(76, 29, 149, 0.25), 0 0 0 1px rgba(255, 255, 255, 0.9);
  max-width: 600px;
  width: 100%;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.94) translateY(20px);
  transition: transform 0.28s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.open .modal-card {
  transform: scale(1) translateY(0);
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid #f1ecf9;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 19px;
  font-weight: 800;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 10px;
}

.modal-close-btn {
  background: #f4effb;
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.modal-close-btn:hover {
  background: #e7def7;
  color: var(--text-main);
  transform: rotate(90deg);
}

.modal-search-box {
  padding: 14px 24px;
  background: #fbf9ff;
  border-bottom: 1px solid #f1ecf9;
  position: relative;
}

.modal-search-input {
  width: 100%;
  padding: 12px 18px 12px 42px;
  border-radius: var(--radius-pill);
  border: 1px solid #e2d9f3;
  font-size: 14px;
  font-family: inherit;
  background: #ffffff;
  outline: none;
  transition: var(--transition-fast);
}

.modal-search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(131, 56, 236, 0.15);
}

.modal-search-icon {
  position: absolute;
  left: 38px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

[dir="rtl"] .modal-search-input {
  padding: 12px 42px 12px 18px;
}
[dir="rtl"] .modal-search-icon {
  left: auto;
  right: 38px;
}

.modal-body {
  padding: 16px 24px;
  overflow-y: auto;
  flex: 1;
}

.items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 10px;
}

.item-card-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: #fbf9ff;
  border: 1px solid #ede5fa;
  border-radius: var(--radius-md);
  text-align: left;
  cursor: pointer;
  transition: var(--transition-fast);
  color: var(--text-main);
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
}

.item-card-btn:hover, .item-card-btn.active {
  background: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(131, 56, 236, 0.12);
  transform: translateY(-1px);
  color: var(--primary-dark);
}

.item-flag {
  font-size: 20px;
  line-height: 1;
}

/* Match Modal Popup */
.match-celebration-card {
  text-align: center;
  padding: 40px 32px;
  background: linear-gradient(180deg, #ffffff 0%, #fbf8ff 100%);
  max-width: 440px;
  border-radius: var(--radius-xl);
}

.match-heart-pulse {
  width: 90px;
  height: 90px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, #9d4edd, #6a00f4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 10px 30px rgba(106, 0, 244, 0.4);
  animation: heartBeat 1.2s infinite ease-in-out;
}

@keyframes heartBeat {
  0%, 100% { transform: scale(1); }
  25% { transform: scale(1.12); }
  40% { transform: scale(1.02); }
  60% { transform: scale(1.08); }
}

.match-avatars-pair {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.match-avatar-img {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid #ffffff;
  box-shadow: 0 8px 24px rgba(106, 0, 244, 0.25);
}

.match-avatar-img:last-child {
  margin-left: -24px;
}

.match-title {
  font-size: 28px;
  font-weight: 900;
  background: linear-gradient(135deg, #8338ec, #6a00f4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}

.match-subtext {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.match-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.btn-match-chat {
  padding: 14px 24px;
  background: linear-gradient(135deg, #8338ec, #6a00f4);
  color: white;
  border: none;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(106, 0, 244, 0.35);
  transition: var(--transition-fast);
}

.btn-match-chat:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(106, 0, 244, 0.45);
}

.btn-match-swipe {
  padding: 12px 24px;
  background: transparent;
  color: var(--text-muted);
  border: none;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

/* Video Chat Modal */
.videochat-modal-card {
  max-width: 860px;
  width: 100%;
  background: #140d28;
  color: white;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.video-streams-grid {
  position: relative;
  height: 480px;
  background: #0d081b;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding: 16px;
}

@media (max-width: 640px) {
  .video-streams-grid {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr 1fr;
    height: 420px;
  }
}

.video-feed-box {
  position: relative;
  background: #1d1538;
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-feed-box video, .video-feed-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-feed-label {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

.video-controls-bar {
  padding: 16px 24px;
  background: #1a1233;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.video-control-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.12);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.video-control-btn:hover {
  background: rgba(255, 255, 255, 0.24);
  transform: scale(1.08);
}

.video-control-btn.btn-hangup {
  background: #ef4444;
}

.video-control-btn.btn-hangup:hover {
  background: #dc2626;
}

.video-control-btn.btn-next {
  width: auto;
  padding: 0 20px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, #8338ec, #6a00f4);
  font-weight: 700;
  font-size: 14px;
  gap: 8px;
}

/* Toast Notification */
.toast-notice {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #ffffff;
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  box-shadow: 0 10px 30px rgba(0,0,0,0.15), 0 0 0 1px rgba(131, 56, 236, 0.15);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-main);
  z-index: 2000;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast-notice.show {
  transform: translateY(0);
  opacity: 1;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(131, 56, 236, 0.2);
  border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(131, 56, 236, 0.4);
}

/* Device Responsive Rules (Never both at once) */
.mobile-standalone-container {
  max-width: 420px;
  margin: 20px auto 40px;
  padding: 0 12px;
}

@media (min-width: 993px) {
  .responsive-desktop-wrapper {
    display: block;
  }
  .responsive-mobile-wrapper {
    display: none !important;
  }
}

@media (max-width: 992px) {
  .responsive-desktop-wrapper {
    display: none !important;
  }
  .responsive-mobile-wrapper {
    display: block;
  }
  .desktop-app-container {
    display: none !important;
  }
  .mobile-phone-frame {
    width: 100% !important;
    max-width: 410px;
    height: auto !important;
    min-height: 740px;
    border-radius: 40px;
    box-shadow: 0 16px 45px rgba(106, 0, 244, 0.22);
  }
}

@media (max-width: 540px) {
  .mobile-standalone-container {
    padding: 0;
    margin: 0;
    max-width: 100%;
  }
  .mobile-phone-frame {
    border-radius: 0 !important;
    box-shadow: none !important;
    border: none !important;
    min-height: 100vh;
  }
  .phone-status-bar {
    display: none !important;
  }
}