/* ==========================================================================
   Cindoku Admin Panel - iOS Glassmorphism Dark Theme
   ========================================================================== */

:root {
  --admin-bg: #0b0e17;
  --admin-surface: rgba(18, 22, 36, 0.75);
  --admin-surface-card: rgba(24, 30, 48, 0.65);
  --admin-surface-hover: rgba(35, 43, 68, 0.8);
  --admin-border: rgba(255, 255, 255, 0.08);
  --admin-border-focus: rgba(255, 75, 43, 0.5);
  
  --admin-primary: #ff416c;
  --admin-primary-grad: linear-gradient(135deg, #ff416c, #ff4b2b);
  --admin-accent-blue: #007aff;
  --admin-accent-green: #34c759;
  --admin-accent-yellow: #ffcc00;
  --admin-accent-purple: #af52de;
  --admin-accent-orange: #ff9500;
  
  --admin-text-main: #f5f7fa;
  --admin-text-muted: #8e95a5;
  --admin-text-dim: #5c6274;
  
  --admin-font: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
}

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

body {
  background-color: var(--admin-bg);
  background-image: 
    radial-gradient(at 0% 0%, rgba(255, 65, 108, 0.12) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(0, 122, 255, 0.1) 0px, transparent 50%),
    radial-gradient(at 50% 50%, rgba(175, 82, 222, 0.05) 0px, transparent 60%);
  background-attachment: fixed;
  color: var(--admin-text-main);
  font-family: var(--admin-font);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Container */
.admin-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 20px 80px 20px;
}

/* Header */
.admin-navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--admin-surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.37);
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--admin-primary-grad);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #fff;
  box-shadow: 0 4px 15px rgba(255, 65, 108, 0.4);
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.3px;
  background: linear-gradient(135deg, #fff, #ffbcc9);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-badge {
  font-size: 0.7rem;
  padding: 3px 8px;
  border-radius: 12px;
  background: rgba(255, 65, 108, 0.2);
  color: #ff4b2b;
  border: 1px solid rgba(255, 65, 108, 0.3);
  font-weight: 600;
  text-transform: uppercase;
  margin-left: 6px;
}

.admin-user-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.05);
  padding: 6px 14px 6px 8px;
  border-radius: 30px;
  border: 1px solid var(--admin-border);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #007aff, #00c6ff);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: #fff;
}

.user-info {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-size: 0.82rem;
  font-weight: 600;
}

.user-id {
  font-size: 0.7rem;
  color: var(--admin-accent-green);
  display: flex;
  align-items: center;
  gap: 4px;
}

.user-id i {
  font-size: 8px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-icon {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--admin-border);
  color: var(--admin-text-main);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  font-size: 14px;
  text-decoration: none;
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}

/* Tab Navigation */
.admin-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  margin-bottom: 24px;
  scrollbar-width: none;
}

.admin-tabs::-webkit-scrollbar {
  display: none;
}

.tab-link {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--admin-border);
  color: var(--admin-text-muted);
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
  white-space: nowrap;
}

.tab-link:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--admin-text-main);
}

.tab-link.active {
  background: var(--admin-primary-grad);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 15px rgba(255, 65, 108, 0.35);
}

/* Sections */
.tab-content {
  display: none;
  animation: fadeIn 0.25s ease-in-out;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Stats Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--admin-surface-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: transform 0.2s, border-color 0.2s;
}

.stat-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.15);
}

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.icon-pink { background: rgba(255, 65, 108, 0.15); color: #ff416c; }
.icon-blue { background: rgba(0, 122, 255, 0.15); color: #007aff; }
.icon-green { background: rgba(52, 199, 89, 0.15); color: #34c759; }
.icon-purple { background: rgba(175, 82, 222, 0.15); color: #af52de; }

.stat-meta {
  display: flex;
  flex-direction: column;
}

.stat-title {
  font-size: 0.8rem;
  color: var(--admin-text-muted);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 4px;
}

.stat-sub {
  font-size: 0.72rem;
  color: var(--admin-text-dim);
  margin-top: 2px;
}

/* Cards & Layout */
.card {
  background: var(--admin-surface-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--admin-border);
}

.card-title {
  font-size: 1.05rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-title i {
  color: var(--admin-primary);
}

/* Forms */
.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--admin-text-muted);
  margin-bottom: 8px;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  color: var(--admin-text-main);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
  transition: all 0.2s;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--admin-border-focus);
  box-shadow: 0 0 0 3px rgba(255, 65, 108, 0.2);
}

.form-textarea {
  resize: vertical;
  min-height: 85px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--admin-primary-grad);
  color: #fff;
  box-shadow: 0 4px 15px rgba(255, 65, 108, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 65, 108, 0.45);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--admin-text-main);
  border: 1px solid var(--admin-border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
}

.btn-danger {
  background: rgba(255, 59, 48, 0.2);
  color: #ff3b30;
  border: 1px solid rgba(255, 59, 48, 0.3);
}

.btn-danger:hover {
  background: rgba(255, 59, 48, 0.3);
}

.btn-success {
  background: rgba(52, 199, 89, 0.2);
  color: #34c759;
  border: 1px solid rgba(52, 199, 89, 0.3);
}

.btn-success:hover {
  background: rgba(52, 199, 89, 0.3);
}

/* Switch Toggle */
.switch {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 26px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(255, 255, 255, 0.15);
  transition: .3s;
  border-radius: 26px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--admin-accent-green);
}

input:checked + .slider:before {
  transform: translateX(22px);
}

/* Provider Grid */
.provider-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

.provider-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transition: all 0.2s;
  position: relative;
}

.provider-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.15);
}

.provider-card.disabled {
  opacity: 0.55;
  filter: grayscale(0.7);
}

.provider-lead {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}

.provider-logo-wrap {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  overflow: hidden;
  background: #111;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--admin-border);
  flex-shrink: 0;
}

.provider-logo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.provider-details {
  flex: 1;
  min-width: 0;
}

.provider-details h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: #ffffff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}

.provider-meta-row {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.provider-badge-tag {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 6px;
  background: rgba(249, 115, 22, 0.15);
  color: #f97316;
  border: 1px solid rgba(249, 115, 22, 0.25);
  display: inline-block;
  line-height: 1.2;
}

.provider-ping {
  font-size: 0.72rem;
  padding: 2px 7px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--admin-text-muted);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: inline-block;
  line-height: 1.2;
}

.provider-ping.ok {
  background: rgba(52, 199, 89, 0.15);
  color: #34c759;
  border-color: rgba(52, 199, 89, 0.3);
}

.provider-ping.fail {
  background: rgba(255, 59, 48, 0.15);
  color: #ff3b30;
  border-color: rgba(255, 59, 48, 0.3);
}

/* Announcement Preview */
.banner-preview {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  font-size: 0.88rem;
  font-weight: 500;
}

.banner-info {
  background: rgba(0, 122, 255, 0.18);
  border: 1px solid rgba(0, 122, 255, 0.35);
  color: #70b8ff;
}

.banner-promo {
  background: rgba(255, 204, 0, 0.18);
  border: 1px solid rgba(255, 204, 0, 0.35);
  color: #ffd84d;
}

.banner-warning {
  background: rgba(255, 149, 0, 0.18);
  border: 1px solid rgba(255, 149, 0, 0.35);
  color: #ffb86c;
}

.banner-success {
  background: rgba(52, 199, 89, 0.18);
  border: 1px solid rgba(52, 199, 89, 0.35);
  color: #6fe38d;
}

/* Telegram ID Auth Box */
.auth-box {
  max-width: 440px;
  margin: 60px auto;
  background: var(--admin-surface);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
  text-align: center;
}

.auth-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--admin-primary-grad);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: #fff;
  margin: 0 auto 18px auto;
  box-shadow: 0 8px 24px rgba(255, 65, 108, 0.4);
}

.auth-box h2 {
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.auth-box p {
  color: var(--admin-text-muted);
  font-size: 0.88rem;
  margin-bottom: 24px;
}

.auth-telegram-info {
  background: rgba(0, 122, 255, 0.1);
  border: 1px solid rgba(0, 122, 255, 0.25);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: 0.82rem;
  color: #64b5f6;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
}

/* Toast */
.admin-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  backdrop-filter: blur(20px);
  padding: 14px 20px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  z-index: 9999;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

/* ==========================================================================
   Comprehensive Mobile & Tablet Responsive Styles
   ========================================================================== */
@media (max-width: 768px) {
  .admin-layout {
    padding: 12px 10px 80px 10px;
    max-width: 100%;
  }

  .admin-navbar {
    flex-direction: column;
    align-items: stretch;
    padding: 12px 14px;
    gap: 12px;
    border-radius: var(--radius-md);
    margin-bottom: 16px;
  }

  .brand-section {
    justify-content: space-between;
    width: 100%;
  }

  .brand-title {
    font-size: 1.05rem;
  }

  .brand-icon {
    width: 36px;
    height: 36px;
    font-size: 17px;
  }

  .nav-actions {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
  }

  .admin-user-pill {
    padding: 4px 10px 4px 6px;
    flex: 1;
    min-width: 0;
  }

  .user-avatar {
    width: 28px;
    height: 28px;
    font-size: 13px;
  }

  .user-name {
    font-size: 0.78rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .user-id {
    font-size: 0.68rem;
    white-space: nowrap;
  }

  /* Smooth scrollable tabs for mobile */
  .admin-tabs {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 6px;
    margin-bottom: 16px;
  }

  .tab-link {
    flex-shrink: 0;
    padding: 8px 14px;
    font-size: 0.82rem;
    border-radius: 10px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 16px;
  }

  .stat-card {
    padding: 12px;
    border-radius: var(--radius-md);
  }

  .stat-val {
    font-size: 1.35rem;
  }

  .stat-label {
    font-size: 0.72rem;
  }

  .card {
    padding: 16px 14px;
    border-radius: var(--radius-md);
    margin-bottom: 16px;
  }

  .card-header {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 14px;
  }

  .card-title {
    font-size: 0.95rem;
  }

  /* In mobile screens, provider-grid is 1-column so each card has full comfortable width */
  .provider-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .provider-card {
    padding: 12px 14px;
    gap: 12px;
  }

  .provider-logo-wrap {
    width: 42px;
    height: 42px;
  }

  .provider-details h4 {
    font-size: 0.9rem;
  }

  /* Form & inputs on touch screens */
  .form-input, .form-select, .form-textarea {
    font-size: 0.88rem;
    padding: 10px 12px;
  }

  .btn {
    padding: 10px 16px;
    font-size: 0.84rem;
  }

  /* Auth box on mobile */
  .auth-box {
    margin: 30px 14px;
    padding: 26px 18px;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .provider-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .tab-link {
    padding: 8px 12px;
    font-size: 0.78rem;
  }

  .card-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .card-header .btn {
    width: 100%;
  }
}