/* =============================================
   DESIGN TOKENS
   ============================================= */
:root {
  /* Colors - Light Theme (Black & Red) */
  --bg-primary: rgba(26, 26, 26, 0.7);
  --bg-secondary: rgba(34, 34, 34, 0.7);
  --bg-chat: rgba(20, 20, 20, 0.7);
  --bg-pattern: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Ccircle cx='30' cy='30' r='1.5'/%3E%3C/g%3E%3C/svg%3E");
  --surface-hover: #2a2a2a;
  --surface-active: #333333;
  
  --text-primary: #f0f0f0;
  --text-secondary: #a0a0a0;
  --text-tertiary: #707070;
  --text-inverse: #0a0a0a;
  
  --bubble-outgoing: #8b1a1a;
  --bubble-outgoing-hover: #a02020;
  --bubble-incoming: #2a2a2a;
  --bubble-incoming-hover: #333333;
  --bubble-system: rgba(30, 30, 30, 0.95);
  
  --accent: #e63946;
  --accent-hover: #ff4757;
  --accent-light: rgba(230, 57, 70, 0.12);
  --accent-gradient: linear-gradient(135deg, #e63946, #ff6b6b);
  
  --border: #2a2a2a;
  --border-light: rgba(255, 255, 255, 0.06);
  
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 20px rgba(230, 57, 70, 0.2);
  
  --header-bg: rgba(30, 30, 30, 0.7);
  --sidebar-bg: rgba(24, 24, 24, 0.7);
  --input-bg: rgba(30, 30, 30, 0.7);
  --input-border: rgba(42, 42, 42, 0.7);
  
  --scrollbar-thumb: #444444;
  --scrollbar-track: transparent;
  
  --online: #e63946;
  --unread-badge: #e63946;
  --typing: #a0a0a0;
  
  /* Sizes */
  --sidebar-width: 380px;
  --header-height: 64px;
  --input-height: 64px;
  --avatar-sm: 40px;
  --avatar-md: 49px;
  --avatar-lg: 200px;
  --radius-sm: 14px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-full: 50%;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-xs: 0.7rem;
  --font-sm: 0.8rem;
  --font-base: 0.9rem;
  --font-md: 1rem;
  --font-lg: 1.1rem;
  --font-xl: 1.25rem;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-primary: rgba(10, 10, 10, 0.7);
  --bg-secondary: rgba(21, 21, 21, 0.7);
  --bg-chat: rgba(8, 8, 8, 0.7);
  --bg-pattern: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.015'%3E%3Ccircle cx='30' cy='30' r='1.5'/%3E%3C/g%3E%3C/svg%3E");
  --surface-hover: #1f1f1f;
  --surface-active: #252525;
  
  --text-primary: #e9edef;
  --text-secondary: #8696a0;
  --text-tertiary: #667781;
  --text-inverse: #0a0a0a;
  
  --bubble-outgoing: #6b1420;
  --bubble-outgoing-hover: #7d1825;
  --bubble-incoming: #1a1a1a;
  --bubble-incoming-hover: #222222;
  --bubble-system: rgba(20, 20, 20, 0.95);
  
  --accent: #e63946;
  --accent-hover: #ff4757;
  --accent-light: rgba(230, 57, 70, 0.18);
  --accent-gradient: linear-gradient(135deg, #e63946, #ff6b6b);
  
  --border: #1f1f1f;
  --border-light: rgba(255, 255, 255, 0.04);
  
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.5);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 20px rgba(230, 57, 70, 0.25);
  
  --header-bg: rgba(18, 18, 18, 0.7);
  --sidebar-bg: rgba(15, 15, 15, 0.7);
  --input-bg: rgba(18, 18, 18, 0.7);
  --input-border: rgba(31, 31, 31, 0.7);
  
  --scrollbar-thumb: #333333;
  --scrollbar-track: transparent;
}

/* =============================================
   RESET & BASE
   ============================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-primary);
  height: 100vh;
  overflow: hidden;
  transition: background var(--transition-base), color var(--transition-base);
}

input, button {
  font-family: inherit;
  border: none;
  outline: none;
  background: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}
::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

/* =============================================
   APP LAYOUT
   ============================================= */
.app {
  display: flex;
  height: 100vh;
  max-width: 100%;
  overflow: hidden;
  position: relative;
}

/* =============================================
   SIDEBAR
   ============================================= */
.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-slow), background var(--transition-base);
  z-index: 10;
  backdrop-filter: blur(12px);
}

.sidebar-header {
  height: var(--header-height);
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition-base);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-avatar {
  width: var(--avatar-sm);
  height: var(--avatar-sm);
  border-radius: var(--radius-full);
  background: #000;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: var(--font-md);
  flex-shrink: 0;
}

.sidebar-title {
  font-size: var(--font-xl);
  font-weight: 700;
}

.sidebar-actions {
  display: flex;
  gap: 4px;
}

/* Icon Button */
.icon-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}
.icon-btn:hover {
  background: var(--surface-active);
  color: var(--text-primary);
}
.icon-btn:active {
  transform: scale(0.92);
}

/* Search */
.search-container {
  padding: 8px 12px;
  position: relative;
}

.search-icon {
  position: absolute;
  left: 24px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  pointer-events: none;
}

.search-input {
  width: 100%;
  height: 36px;
  padding: 0 12px 0 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: var(--font-sm);
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}
.search-input:focus {
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}
.search-input::placeholder {
  color: var(--text-tertiary);
}

/* Chat List */
.chat-list {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}

.chat-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  cursor: pointer;
  transition: background var(--transition-fast);
  position: relative;
  margin: 4px 12px;
  border-radius: var(--radius-md);
  overflow: hidden;
}
.chat-item:hover {
  background: var(--surface-hover);
}
.chat-item.active {
  background: var(--surface-active);
}
.chat-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent-gradient);
  border-radius: 0 3px 3px 0;
}

.chat-item-avatar {
  width: var(--avatar-md);
  height: var(--avatar-md);
  border-radius: var(--radius-full);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: white;
  font-size: var(--font-lg);
  position: relative;
  overflow: hidden;
}
.chat-item-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.online-indicator {
  position: absolute;
  bottom: 1px;
  right: 1px;
  width: 12px;
  height: 12px;
  background: var(--online);
  border-radius: var(--radius-full);
  border: 2px solid var(--sidebar-bg);
  z-index: 1;
}

.chat-item-content {
  flex: 1;
  min-width: 0;
}

.chat-item-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.chat-item-name {
  font-weight: 600;
  font-size: var(--font-base);
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-item-time {
  font-size: var(--font-xs);
  color: var(--text-tertiary);
  white-space: nowrap;
  margin-left: 8px;
}
.chat-item.unread .chat-item-time {
  color: var(--accent);
  font-weight: 600;
}

.chat-item-preview {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: flex;
  align-items: center;
  gap: 4px;
}

.unread-badge {
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 10px;
  background: var(--accent-gradient);
  color: white;
  font-size: var(--font-xs);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: auto;
  flex-shrink: 0;
  animation: badgePop 0.3s ease;
}

@keyframes badgePop {
  0% { transform: scale(0); }
  70% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

.chat-item-row-bottom {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* =============================================
   CHAT AREA
   ============================================= */
.chat-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  background: var(--bg-chat);
  backdrop-filter: blur(12px);
  background-image: var(--bg-pattern);
  position: relative;
  min-width: 0;
  transition: background var(--transition-base);
}

/* Empty State */
.empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text-tertiary);
  font-size: var(--font-base);
  z-index: 2;
}

/* Chat Watermark */
.chat-watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  opacity: 0.55;
  pointer-events: none;
  z-index: 0;
}
.empty-state h2 {
  font-size: var(--font-xl);
  font-weight: 300;
  color: var(--text-secondary);
}
.empty-state p {
  font-size: var(--font-base);
}
.empty-icon {
  margin-bottom: 8px;
  animation: float 3s ease-in-out infinite;
}

.logo-empty-state {
  width: 140px;
  height: 140px;
  margin-bottom: 24px;
  border-radius: 50%;
  box-shadow: 0 0 50px rgba(230, 57, 70, 0.4);
  background: #000;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Chat Header */
.chat-header {
  height: var(--header-height);
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
  z-index: 5;
  transition: background var(--transition-base);
}

.back-btn {
  display: none;
}

.chat-contact {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
  cursor: pointer;
}

.contact-avatar {
  width: var(--avatar-sm);
  height: var(--avatar-sm);
  border-radius: var(--radius-full);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: white;
  font-size: var(--font-md);
  overflow: hidden;
}
.contact-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.contact-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.contact-name {
  font-weight: 600;
  font-size: var(--font-base);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.contact-status {
  font-size: var(--font-xs);
  color: var(--text-tertiary);
}
.contact-status.online {
  color: var(--accent);
}

.chat-header-actions {
  display: flex;
  gap: 4px;
}

/* Messages Container */
.messages-container {
  flex: 1;
  overflow-y: auto;
  padding: 16px 60px;
  scroll-behavior: smooth;
  position: relative;
  z-index: 1;
}

.messages-list {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-height: 100%;
  justify-content: flex-end;
}

/* Date Separator */
.date-separator {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 0;
}
.date-separator span {
  background: var(--bubble-system);
  padding: 5px 14px;
  border-radius: var(--radius-sm);
  font-size: var(--font-xs);
  color: var(--text-secondary);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(10px);
  font-weight: 500;
}

/* Message Bubbles */
.message {
  display: flex;
  max-width: 65%;
  animation: messageIn 0.3s ease;
}

@keyframes messageIn {
  0% { opacity: 0; transform: translateY(10px) scale(0.98); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

.message.outgoing {
  align-self: flex-end;
}
.message.incoming {
  align-self: flex-start;
}

.message-bubble {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  position: relative;
  max-width: 100%;
  word-wrap: break-word;
  transition: background var(--transition-fast);
}

.message.outgoing .message-bubble {
  background: var(--bubble-outgoing);
  border-top-right-radius: 2px;
}
.message.outgoing .message-bubble:hover {
  background: var(--bubble-outgoing-hover);
}

.message.incoming .message-bubble {
  background: var(--bubble-incoming);
  border-top-left-radius: 2px;
  box-shadow: var(--shadow-sm);
}
.message.incoming .message-bubble:hover {
  background: var(--bubble-incoming-hover);
}

.message-sender {
  font-size: var(--font-xs);
  font-weight: 600;
  margin-bottom: 3px;
  color: var(--accent);
}

.message-text {
  font-size: var(--font-base);
  line-height: 1.45;
  color: var(--text-primary);
}

.message-media {
  max-width: 330px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 4px;
}
.message-media img {
  width: 100%;
  display: block;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform var(--transition-fast);
}
.message-media img:hover {
  transform: scale(1.02);
}

.message-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  margin-top: 2px;
}

.message-time {
  font-size: var(--font-xs);
  color: var(--text-tertiary);
  white-space: nowrap;
}

.message-status {
  display: flex;
  align-items: center;
  color: var(--text-tertiary);
}
.message-status.read {
  color: #e63946;
}

/* System Messages */
.system-message {
  display: flex;
  justify-content: center;
  padding: 4px 0;
}
.system-message span {
  background: var(--bubble-system);
  padding: 5px 14px;
  border-radius: var(--radius-sm);
  font-size: var(--font-xs);
  color: var(--text-secondary);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(10px);
  font-style: italic;
}

/* Typing Indicator */
.typing-indicator {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 12px 16px;
}
.typing-indicator .dot {
  width: 7px;
  height: 7px;
  border-radius: var(--radius-full);
  background: var(--text-tertiary);
  animation: typingDot 1.4s infinite ease-in-out;
}
.typing-indicator .dot:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator .dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingDot {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.3; }
  40% { transform: scale(1); opacity: 1; }
}

/* =============================================
   MESSAGE INPUT
   ============================================= */
.message-input-area {
  height: var(--input-height);
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--header-bg);
  border-top: 1px solid var(--border);
  transition: background var(--transition-base);
}

.input-wrapper {
  flex: 1;
  position: relative;
}

.message-text-input {
  width: 100%;
  height: 42px;
  padding: 0 16px;
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: var(--font-base);
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}
.message-text-input:focus {
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}
.message-text-input::placeholder {
  color: var(--text-tertiary);
}

.send-btn {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}
.send-btn:hover {
  transform: scale(1.08);
  box-shadow: var(--shadow-glow);
}
.send-btn:active {
  transform: scale(0.95);
}

/* =============================================
   INFO PANEL
   ============================================= */
.info-panel {
  width: 0;
  overflow: hidden;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  transition: width var(--transition-slow), background var(--transition-base);
  flex-shrink: 0;
}
.info-panel.open {
  width: 340px;
}

.info-panel-header {
  height: var(--header-height);
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: var(--font-base);
  white-space: nowrap;
}

.info-panel-body {
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  overflow-y: auto;
  height: calc(100vh - var(--header-height));
}

.info-avatar {
  width: var(--avatar-lg);
  height: var(--avatar-lg);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 64px;
  font-weight: 700;
  color: white;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.info-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.info-name {
  font-size: var(--font-xl);
  font-weight: 700;
  text-align: center;
}

.info-detail {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  text-align: center;
}

.info-section {
  width: 100%;
  padding: 16px 0;
  border-top: 1px solid var(--border);
}
.info-section-title {
  font-size: var(--font-xs);
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}
.info-section-text {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  line-height: 1.5;
}

.info-media-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  width: 100%;
}
.info-media-grid .media-thumb {
  aspect-ratio: 1;
  border-radius: 4px;
  overflow: hidden;
  cursor: pointer;
  background: var(--surface-active);
}
.info-media-grid .media-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-fast);
}
.info-media-grid .media-thumb:hover img {
  transform: scale(1.1);
}

/* =============================================
   EMOJI PICKER
   ============================================= */
.emoji-picker {
  position: absolute;
  bottom: calc(var(--input-height) + 8px);
  left: 16px;
  width: 320px;
  max-height: 300px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  overflow-y: auto;
  padding: 12px;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 4px;
  z-index: 100;
  animation: fadeInUp 0.2s ease;
}

@keyframes fadeInUp {
  0% { opacity: 0; transform: translateY(10px); }
  100% { opacity: 1; transform: translateY(0); }
}

.emoji-picker button {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: none;
  border: none;
}
.emoji-picker button:hover {
  background: var(--surface-active);
  transform: scale(1.2);
}

/* =============================================
   UTILITIES
   ============================================= */
.hidden {
  display: none !important;
}

@keyframes fadeIn {
  0% { opacity: 0; }
  100% { opacity: 1; }
}

/* Check marks */
.check-single svg, .check-double svg {
  width: 16px;
  height: 12px;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 768px) {
  .sidebar {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 100%;
    min-width: 100%;
    z-index: 20;
  }
  
  .sidebar.hide-mobile {
    transform: translateX(-100%);
  }
  
  .back-btn {
    display: flex;
  }
  
  .messages-container {
    padding: 12px 16px;
  }
  
  .message {
    max-width: 85%;
  }
  
  .info-panel.open {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 100%;
    z-index: 25;
  }
}

@media (max-width: 1024px) and (min-width: 769px) {
  :root {
    --sidebar-width: 320px;
  }
  .messages-container {
    padding: 16px 30px;
  }
  .info-panel.open {
    width: 300px;
  }
}

/* =============================================
   LOGIN SCREEN
   ============================================= */
.login-screen {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.login-screen.fade-out {
  opacity: 0;
  transform: scale(1.05);
  pointer-events: none;
}

/* Animated Background Orbs */
.login-bg {
  position: fixed;
  inset: 0;
  overflow: hidden;
  z-index: -1;
  background: #0a0a0a;
}

.login-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  animation: orbFloat 12s ease-in-out infinite;
}
.login-orb-1 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #e63946, #8b1a1a);
  top: -10%;
  left: -5%;
  animation-duration: 14s;
}
.login-orb-2 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, #ff6b6b, #cc2936);
  bottom: -10%;
  right: -5%;
  animation-duration: 10s;
  animation-delay: -4s;
}
.login-orb-3 {
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, #ff4757, #991122);
  top: 50%;
  left: 60%;
  animation-duration: 16s;
  animation-delay: -8s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -40px) scale(1.1); }
  50% { transform: translate(-20px, 20px) scale(0.95); }
  75% { transform: translate(40px, 30px) scale(1.05); }
}

/* Login Card */
.login-card {
  width: 420px;
  max-width: calc(100vw - 32px);
  padding: 40px 36px;
  background: rgba(20, 20, 20, 0.7);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6), 0 0 40px rgba(230, 57, 70, 0.1);
  z-index: 1;
  animation: cardIn 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes cardIn {
  0% { opacity: 0; transform: translateY(30px) scale(0.95); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

/* Logo */
.login-logo {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo-icon {
  width: 90px;
  height: 90px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: #000;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  animation: iconPulse 3s ease-in-out infinite;
}

@keyframes iconPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.login-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.login-subtitle {
  font-size: 0.85rem;
  color: #8696a0;
}

/* Form */
.login-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: #8696a0;
  padding-left: 2px;
}

.form-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.form-input-icon {
  position: absolute;
  left: 14px;
  color: #667781;
  pointer-events: none;
  transition: color var(--transition-fast);
}

.form-input {
  width: 100%;
  height: 48px;
  padding: 0 14px 0 44px;
  background: rgba(10, 10, 10, 0.6);
  border: 1.5px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  color: #e9edef;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}
.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.15);
  background: rgba(10, 10, 10, 0.8);
}
.form-input:focus + .form-input-icon,
.form-input:focus ~ .form-input-icon {
  color: var(--accent);
}
.form-input::placeholder {
  color: #4a5a64;
}
.form-input.error {
  border-color: #e55353;
  box-shadow: 0 0 0 3px rgba(229, 83, 83, 0.15);
  animation: shake 0.4s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

.form-toggle-password {
  position: absolute;
  right: 8px;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #667781;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: none;
  border: none;
  z-index: 10;
  pointer-events: auto;
}
.form-toggle-password:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #e9edef;
}

/* Form Options */
.form-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: #8696a0;
  cursor: pointer;
  user-select: none;
}
.form-checkbox input {
  display: none;
}
.checkmark {
  width: 18px;
  height: 18px;
  border-radius: 6px;
  border: 1.5px solid rgba(255, 255, 255, 0.15);
  background: rgba(10, 10, 10, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}
.form-checkbox input:checked + .checkmark {
  background: var(--accent);
  border-color: var(--accent);
}
.form-checkbox input:checked + .checkmark::after {
  content: '';
  width: 5px;
  height: 9px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
  margin-top: -2px;
}

.form-link {
  font-size: 0.8rem;
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.form-link:hover {
  color: #ff6b6b;
  text-decoration: underline;
}

/* Login Button */
.login-btn {
  width: 100%;
  height: 48px;
  border-radius: 16px;
  background: var(--accent-gradient);
  color: white;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 20px rgba(230, 57, 70, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 4px;
}
.login-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 28px rgba(230, 57, 70, 0.4);
}
.login-btn:active {
  transform: translateY(0);
}
.login-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.login-btn:hover::before {
  opacity: 1;
}
.login-btn.loading {
  pointer-events: none;
}

.login-btn-loader {
  display: flex;
  align-items: center;
  justify-content: center;
}

.spinner {
  width: 22px;
  height: 22px;
  border: 2.5px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Divider */
.login-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 24px 0 20px;
}
.login-divider::before,
.login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
}
.login-divider span {
  font-size: 0.75rem;
  color: #667781;
  white-space: nowrap;
}

/* Social Login */
.social-login {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.social-btn {
  width: 56px;
  height: 48px;
  border-radius: 16px;
  background: rgba(10, 10, 10, 0.5);
  border: 1.5px solid rgba(255, 255, 255, 0.08);
  color: #e9edef;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.social-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}
.social-btn:active {
  transform: translateY(0);
}

/* Footer */
.login-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 0.82rem;
  color: #8696a0;
}

/* Error Message */
.form-error {
  font-size: 0.75rem;
  color: #e55353;
  margin-top: 2px;
  padding-left: 2px;
  animation: fadeIn 0.3s ease;
}

/* Success animation on login */
.login-screen .login-card.success {
  border-color: rgba(230, 57, 70, 0.4);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6), 0 0 60px rgba(230, 57, 70, 0.25);
}

/* Login Responsive */
@media (max-width: 480px) {
  .login-card {
    padding: 32px 24px;
    border-radius: 28px;
  }
  .login-logo-icon {
    width: 56px;
    height: 56px;
    border-radius: 20px;
  }
  .login-title {
    font-size: 1.5rem;
  }
  .social-btn {
    width: 48px;
    height: 44px;
  }
}