/* ===== VISITORS - Modern Design System ===== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --bg-primary: #0a0a1a;
  --bg-secondary: #12122a;
  --bg-card: rgba(255, 255, 255, 0.05);
  --bg-card-hover: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.4);
  --accent-1: #6c5ce7;
  --accent-2: #00cec9;
  --accent-3: #fd79a8;
  --gradient-primary: linear-gradient(135deg, #6c5ce7 0%, #00cec9 100%);
  --gradient-accent: linear-gradient(135deg, #fd79a8 0%, #6c5ce7 50%, #00cec9 100%);
  --gradient-bg: radial-gradient(ellipse at 20% 50%, rgba(108, 92, 231, 0.15) 0%, transparent 50%),
                 radial-gradient(ellipse at 80% 20%, rgba(0, 206, 201, 0.1) 0%, transparent 50%),
                 radial-gradient(ellipse at 50% 80%, rgba(253, 121, 168, 0.08) 0%, transparent 50%);
  --input-bg: rgba(255, 255, 255, 0.06);
  --input-border: rgba(255, 255, 255, 0.12);
  --input-focus: rgba(108, 92, 231, 0.5);
  --success: #00b894;
  --error: #ff6b6b;
  --warning: #feca57;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== Animated Background ===== */
.bg-animated {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--bg-primary);
  z-index: -2;
}

.bg-animated::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--gradient-bg);
  z-index: -1;
}

.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  z-index: -1;
  animation: float 20s ease-in-out infinite;
}

.bg-orb-1 {
  width: 400px; height: 400px;
  background: var(--accent-1);
  top: -100px; left: -100px;
  animation-delay: 0s;
}

.bg-orb-2 {
  width: 350px; height: 350px;
  background: var(--accent-2);
  bottom: -80px; right: -80px;
  animation-delay: -7s;
}

.bg-orb-3 {
  width: 250px; height: 250px;
  background: var(--accent-3);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -14s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -30px) scale(1.05); }
  50% { transform: translate(-20px, 20px) scale(0.95); }
  75% { transform: translate(15px, 15px) scale(1.02); }
}

/* ===== Glass Card ===== */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  padding: 40px;
  transition: var(--transition);
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.5);
}

/* ===== Page Layout ===== */
.page-center {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}

.auth-container {
  width: 100%;
  max-width: 460px;
  animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== Logo / Brand ===== */
.brand {
  text-align: center;
  margin-bottom: 36px;
}

.brand-icon {
  width: 64px;
  height: 64px;
  background: var(--gradient-primary);
  border-radius: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 28px;
  box-shadow: 0 4px 24px rgba(108, 92, 231, 0.4);
}

.brand h1 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 6px;
  font-weight: 400;
}

/* ===== Form Elements ===== */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  transition: var(--transition);
  outline: none;
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-input:focus {
  border-color: var(--accent-1);
  box-shadow: 0 0 0 3px var(--input-focus);
  background: rgba(255, 255, 255, 0.08);
}

.form-input-icon {
  position: relative;
}

.form-input-icon .form-input {
  padding-left: 44px;
}

.form-input-icon .icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 16px;
  pointer-events: none;
  transition: var(--transition);
}

.form-input-icon .form-input:focus ~ .icon,
.form-input-icon .form-input:not(:placeholder-shown) ~ .icon {
  color: var(--accent-1);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border: none;
  border-radius: var(--radius-md);
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  gap: 8px;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  width: 100%;
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 16px rgba(108, 92, 231, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(108, 92, 231, 0.5);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 8px 16px;
}

.btn-ghost:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.btn-danger {
  background: rgba(255, 107, 107, 0.15);
  color: var(--error);
  border: 1px solid rgba(255, 107, 107, 0.2);
}

.btn-danger:hover {
  background: rgba(255, 107, 107, 0.25);
}

/* ===== Links ===== */
.link {
  color: var(--accent-2);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

.link:hover {
  color: #00e6e0;
  text-decoration: underline;
}

/* ===== Form Extras ===== */
.form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-secondary);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid var(--input-border);
  border-radius: 5px;
  background: var(--input-bg);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.checkbox-label input[type="checkbox"]:checked {
  background: var(--accent-1);
  border-color: var(--accent-1);
}

.checkbox-label input[type="checkbox"]:checked::after {
  content: '\2713';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 12px;
  font-weight: 700;
}

/* ===== Toggle Switch ===== */
.toggle-switch {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
}
.toggle-switch input {
  display: none;
}
.toggle-track {
  width: 52px;
  height: 28px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--input-border);
  border-radius: 14px;
  position: relative;
  transition: var(--transition);
  flex-shrink: 0;
}
.toggle-track::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  background: rgba(255, 255, 255, 0.4);
  border-radius: 50%;
  transition: var(--transition);
}
.toggle-switch input:checked + .toggle-track {
  background: var(--accent-1);
  border-color: var(--accent-1);
}
.toggle-switch input:checked + .toggle-track::after {
  left: 27px;
  background: white;
}
.toggle-label {
  font-size: 14px;
  color: var(--text-secondary);
  transition: var(--transition);
}
.toggle-switch input:checked ~ .toggle-label {
  color: var(--text-primary);
}

.form-divider {
  display: flex;
  align-items: center;
  margin: 24px 0;
  gap: 12px;
  color: var(--text-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.form-divider::before,
.form-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--glass-border);
}

.form-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 14px;
  color: var(--text-secondary);
}

/* ===== Error/Success Messages ===== */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: shakeIn 0.4s ease;
}

.alert-error {
  background: rgba(255, 107, 107, 0.12);
  border: 1px solid rgba(255, 107, 107, 0.25);
  color: var(--error);
}

.alert-success {
  background: rgba(0, 184, 148, 0.12);
  border: 1px solid rgba(0, 184, 148, 0.25);
  color: var(--success);
}

.alert-warning {
  background: rgba(254, 202, 87, 0.12);
  border: 1px solid rgba(254, 202, 87, 0.25);
  color: var(--warning);
}

@keyframes shakeIn {
  0% { transform: translateX(-10px); opacity: 0; }
  50% { transform: translateX(5px); }
  100% { transform: translateX(0); opacity: 1; }
}

/* ===== Radio Buttons ===== */
.radio-group {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.radio-option {
  flex: 1;
  min-width: 120px;
}

.radio-option input[type="radio"] {
  display: none;
}

.radio-option label {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  text-align: center;
}

.radio-option input[type="radio"]:checked + label {
  background: rgba(108, 92, 231, 0.2);
  border-color: var(--accent-1);
  color: var(--text-primary);
  box-shadow: 0 0 0 2px var(--input-focus);
}

.radio-option label:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.2);
}

/* ===== Password Strength ===== */
.password-strength {
  margin-top: 8px;
  font-size: 12px;
  font-weight: 500;
  padding: 6px 10px;
  border-radius: 6px;
}

.strength-worst { color: #ff6b6b; background: rgba(255,107,107,0.1); }
.strength-bad { color: #ff9f43; background: rgba(255,159,67,0.1); }
.strength-weak { color: #feca57; background: rgba(254,202,87,0.1); }
.strength-good { color: #00cec9; background: rgba(0,206,201,0.1); }
.strength-strong { color: #00b894; background: rgba(0,184,148,0.1); }

/* ===== Dashboard Layout ===== */
.dashboard {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.topbar-brand .brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  font-size: 16px;
  margin: 0;
}

.topbar-brand h2 {
  font-size: 18px;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.topbar-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.topbar-nav a, .topbar-nav button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
  white-space: nowrap;
}

.topbar-nav a:hover, .topbar-nav button:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
}

.topbar-nav a.active {
  color: var(--accent-1);
  background: rgba(108, 92, 231, 0.15);
}

.topbar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  background: rgba(108, 92, 231, 0.15);
  border-radius: var(--radius-md);
  border: 1px solid rgba(108, 92, 231, 0.3);
  color: var(--text-primary);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  transition: var(--transition);
}

.topbar-user:hover {
  background: rgba(108, 92, 231, 0.25);
}

/* ===== Dashboard Content ===== */
.dash-content {
  flex: 1;
  padding: 28px 32px;
}

.dash-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  padding: 12px 16px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
}

.dash-toolbar .toolbar-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-right: 4px;
}

.col-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0 10px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--input-border);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
}

.col-toggle:hover {
  background: rgba(108, 92, 231, 0.2);
  border-color: var(--accent-1);
  color: var(--text-primary);
}

.col-toggle.hidden-col {
  background: rgba(253, 121, 168, 0.15) !important;
  border-color: var(--accent-3) !important;
  color: var(--accent-3) !important;
}

.toggle-display-btn {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(0, 206, 201, 0.15);
  border: 1px solid rgba(0, 206, 201, 0.3);
  color: var(--accent-2);
  cursor: pointer;
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
}

.toggle-display-btn:hover {
  background: rgba(0, 206, 201, 0.25);
}

/* ===== Data Table ===== */
.table-container {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

/* DataTables overrides */
.dataTables_wrapper {
  padding: 20px;
  color: var(--text-primary) !important;
}

.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_filter,
.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_paginate {
  color: var(--text-secondary) !important;
  font-size: 13px;
  padding: 8px 0;
}

.dataTables_wrapper .dataTables_length select,
.dataTables_wrapper .dataTables_filter input {
  background: var(--input-bg) !important;
  border: 1px solid var(--input-border) !important;
  border-radius: 8px !important;
  color: var(--text-primary) !important;
  padding: 6px 12px !important;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  outline: none;
}

.dataTables_wrapper .dataTables_filter input:focus {
  border-color: var(--accent-1) !important;
  box-shadow: 0 0 0 3px var(--input-focus);
}

table.dataTable {
  border-collapse: collapse !important;
  width: 100% !important;
  border: none !important;
}

table.dataTable thead th {
  background: rgba(108, 92, 231, 0.12) !important;
  color: var(--text-secondary) !important;
  font-size: 12px !important;
  font-weight: 700 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.5px !important;
  padding: 14px 16px !important;
  border-bottom: 1px solid var(--glass-border) !important;
  border-right: none !important;
  border-left: none !important;
  border-top: none !important;
  white-space: nowrap;
}

table.dataTable tbody td {
  padding: 12px 16px !important;
  font-size: 14px !important;
  color: var(--text-primary) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04) !important;
  border-right: none !important;
  border-left: none !important;
  border-top: none !important;
  background: transparent !important;
}

table.dataTable tbody tr {
  transition: var(--transition);
}

table.dataTable tbody tr:hover {
  background: rgba(108, 92, 231, 0.08) !important;
}

table.dataTable tbody tr:nth-child(even) td {
  background: rgba(255, 255, 255, 0.02) !important;
}

table.dataTable tbody tr:nth-child(even):hover td {
  background: rgba(108, 92, 231, 0.08) !important;
}

table.dataTable tfoot th {
  background: rgba(108, 92, 231, 0.08) !important;
  color: var(--text-muted) !important;
  font-size: 11px !important;
  font-weight: 600 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.5px !important;
  padding: 10px 16px !important;
  border-top: 1px solid var(--glass-border) !important;
  border-bottom: none !important;
  border-right: none !important;
  border-left: none !important;
}

/* DataTables pagination */
.dataTables_wrapper .dataTables_paginate .paginate_button {
  color: var(--text-secondary) !important;
  background: var(--input-bg) !important;
  border: 1px solid var(--input-border) !important;
  border-radius: 8px !important;
  margin: 0 2px;
  padding: 6px 12px !important;
  font-size: 13px;
  transition: var(--transition);
}

.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
  background: rgba(108, 92, 231, 0.2) !important;
  border-color: var(--accent-1) !important;
  color: var(--text-primary) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current {
  background: var(--gradient-primary) !important;
  border-color: var(--accent-1) !important;
  color: white !important;
  font-weight: 600;
}

/* Action links in table */
table.dataTable a {
  color: var(--accent-2);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

table.dataTable a:hover {
  color: #00e6e0;
  text-decoration: underline;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .auth-container {
    max-width: 100%;
  }

  .glass-card {
    padding: 28px 24px;
  }

  .topbar {
    padding: 12px 16px;
    flex-direction: column;
    gap: 12px;
  }

  .topbar-nav {
    width: 100%;
    justify-content: center;
  }

  .dash-content {
    padding: 16px;
  }

  .radio-group {
    flex-direction: column;
  }

  .form-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}

/* ===== Utility ===== */
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-error { color: var(--error); }
.text-success { color: var(--success); }
.hidden { display: none; }