:root {
  /* Dark mode (default) */
  --accent: #5865F2;
  --accent-hover: #4752C4;
  --accent-dim: rgba(88, 101, 242, 0.15);
  --success: #2ecc71;
  --success-hover: #27ae60;
  --danger: #e74c3c;
  --danger-hover: #c0392b;
  --warning: #f39c12;
  
  --bg-page: #0f0f11;
  --bg-card: #1a1a1f;
  --bg-nav: rgba(15, 15, 17, 0.95);
  --bg-btn: #232329;
  --bg-btn-hover: #2d2d35;
  --bg-input: #131317;
  --bg-input-hover: #1a1a20;
  
  --text-primary: #f0f0f2;
  --text-secondary: #a0a0b0;
  --text-muted: #606070;
  
  --border: rgba(255, 255, 255, 0.07);
  --border-hover: rgba(255, 255, 255, 0.14);
  --border-focus: rgba(88, 101, 242, 0.5);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  --shadow-card: 0 4px 32px rgba(0, 0, 0, 0.45);
  --shadow-btn: 0 2px 12px rgba(88, 101, 242, 0.35);
  --shadow-input: 0 0 0 3px rgba(88, 101, 242, 0.1);
  
  --transition: 0.2s ease;
  --font-body:     'Sora', 'DM Sans', system-ui, sans-serif;
}

/* Light mode */
.light-mode {
  --bg-page: #f3f3f7;
  --bg-card: #ffffff;
  --bg-nav: rgba(243, 243, 247, 0.95);
  --bg-btn: #eaeaf0;
  --bg-btn-hover: #dddde8;
  --bg-input: #f8f8fa;
  --bg-input-hover: #ffffff;
  
  --text-primary: #111116;
  --text-secondary: #555566;
  --text-muted: #9999aa;
  
  --border: rgba(0, 0, 0, 0.07);
  --border-hover: rgba(0, 0, 0, 0.14);
  --border-focus: rgba(88, 101, 242, 0.4);
  
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.08);
  --shadow-input: 0 0 0 3px rgba(88, 101, 242, 0.05);
}

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

body {
  font-family: var(--font-body);
  background: var(--bg-page);
  color: var(--text-primary);
  transition: background var(--transition), color var(--transition);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ============================================================
   Container
   ============================================================ */

.container-home {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 200px);
  padding: 40px 20px 80px;
}

/* ============================================================
   Card
   ============================================================ */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 48px 44px;
  max-width: 580px;
  width: 100%;
  box-shadow: var(--shadow-card);
  transition: background var(--transition), border-color var(--transition);
  animation: fadeInUp 0.5s ease;
}

.card h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.card > p {
  color: var(--text-secondary);
  margin-bottom: 28px;
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ============================================================
   Form Elements
   ============================================================ */

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-group input:not([type="hidden"]),
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 14px;
  font-family: var(--font-body);
  transition: all var(--transition);
}

.form-group input:not([type="hidden"]):hover,
.form-group select:hover,
.form-group textarea:hover {
  background: var(--bg-input-hover);
  border-color: var(--border-hover);
}

.form-group input:not([type="hidden"]):focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: var(--shadow-input);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

/* Select dropdown styling */
.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23606070' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

.light-mode .form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239999aa' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

/* Email group (optional) */
#email-group input {
  background: var(--bg-input);
}

#email-group input:valid {
  border-color: var(--success);
}

/* ============================================================
   Messages (Success/Error)
   ============================================================ */

.message {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  font-size: 14px;
  line-height: 1.5;
  animation: slideDown 0.3s ease;
}

.message.success {
  background: rgba(46, 204, 113, 0.15);
  border: 1px solid var(--success);
  color: var(--success);
}

.message.error {
  background: rgba(231, 76, 60, 0.15);
  border: 1px solid var(--danger);
  color: var(--danger);
}

/* ============================================================
   CAPTCHA Styles
   ============================================================ */

.captcha-container {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.captcha-image {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  font-family: 'Courier New', monospace;
  font-size: 28px;
  font-weight: bold;
  letter-spacing: 8px;
  text-align: center;
  color: var(--text-primary);
  user-select: none;
  min-width: 160px;
}

.captcha-input {
  flex: 1;
  min-width: 120px;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 14px;
  font-family: monospace;
  text-transform: uppercase;
}

.captcha-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: var(--shadow-input);
}

.refresh-captcha {
  background: var(--bg-btn);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.refresh-captcha:hover {
  background: var(--bg-btn-hover);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.captcha-error {
  color: var(--danger);
  font-size: 12px;
  margin-top: 8px;
}

/* ============================================================
   Divider
   ============================================================ */

.divider {
  height: 1px;
  background: var(--border);
  margin: 24px 0;
}

/* ============================================================
   Submit Button
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px 28px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  color: white;
  background: var(--accent);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
}

.btn svg {
  width: 18px;
  height: 18px;
}

.btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-btn);
}

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

/* ============================================================
   Navigation Bar
   ============================================================ */

.header-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  background: var(--bg-nav);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-small {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.site-title {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  transition: color var(--transition);
  text-decoration: none;
}

.site-title:hover {
  color: var(--accent);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Dashboard Button */
.dashboard-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-btn);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.dashboard-btn:hover {
  background: var(--bg-btn-hover);
  color: var(--text-primary);
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

/* Theme Toggle Button */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--bg-btn);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  flex-shrink: 0;
}

.theme-toggle:hover {
  background: var(--bg-btn-hover);
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

.theme-toggle:hover #theme-icon {
  transform: rotate(20deg);
}

#theme-icon {
  transition: transform 0.3s ease;
}

/* Theme Icons */
.sun-icon,
.moon-icon {
  transition: opacity var(--transition);
}

/* Dark mode (default): show white sun */
.sun-icon {
  stroke: var(--text-primary);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

.moon-icon {
  display: none;
  stroke: var(--text-primary);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

/* Light mode: show moon */
.light-mode .sun-icon {
  display: none;
}

.light-mode .moon-icon {
  display: block;
}

/* Discord Icon */
#discord-icon {
  margin-right: 12px;
  vertical-align: middle;
  fill: #FFFFFF;
  transition: fill 0.3s ease;
}

.light-mode #discord-icon {
  fill: #5865F2;
}

/* ============================================================
   Footer
   ============================================================ */

footer {
  text-align: center;
  padding: 32px 20px 24px;
  color: var(--text-muted);
  font-size: 13px;
  border-top: 1px solid var(--border);
  margin-top: auto;
  background: var(--bg-page);
}

footer a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition);
}

footer a:hover {
  color: var(--accent);
}

/* ============================================================
   Animations
   ============================================================ */

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

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================
   Honeypot (hidden field)
   ============================================================ */

[style*="position: absolute; left: -9999px;"] {
  position: absolute !important;
  left: -9999px !important;
  top: -9999px !important;
  opacity: 0;
  pointer-events: none;
}

/* ============================================================
   Scrollbar Styling
   ============================================================ */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-input);
}

::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* ============================================================
   Responsive Design
   ============================================================ */

@media (max-width: 640px) {
  .card {
    padding: 32px 24px;
  }
  
  .card h1 {
    font-size: 1.75rem;
  }
  
  .captcha-container {
    flex-direction: column;
    align-items: stretch;
  }
  
  .captcha-image {
    text-align: center;
  }
  
  .captcha-input {
    width: 100%;
  }
  
  .refresh-captcha {
    width: 100%;
  }
  
  .header-nav {
    padding: 0 20px;
  }
  
  .dashboard-btn {
    padding: 6px 14px;
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .container-home {
    padding: 20px 16px 60px;
  }
  
  .card {
    padding: 24px 20px;
  }
  
  .card h1 {
    font-size: 1.5rem;
  }
  
  .card > p {
    font-size: 0.85rem;
  }
  
  .form-group label {
    font-size: 13px;
  }
  
  .form-group input:not([type="hidden"]),
  .form-group select,
  .form-group textarea {
    padding: 10px 14px;
    font-size: 13px;
  }
  
  .btn {
    padding: 12px 24px;
    font-size: 14px;
  }
  
  .header-nav {
    padding: 0 16px;
  }
  
  .site-title {
    font-size: 16px;
  }
  
  .dashboard-btn {
    padding: 5px 12px;
    font-size: 12px;
  }
  
  .theme-toggle {
    width: 34px;
    height: 34px;
  }
  
  .captcha-image {
    font-size: 22px;
    letter-spacing: 6px;
    padding: 10px 16px;
  }
}

/* ============================================================
   Loading State for Button
   ============================================================ */

.btn.loading {
  position: relative;
  pointer-events: none;
  opacity: 0.7;
}

.btn.loading svg {
  animation: spin 1s linear infinite;
}

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

/* ============================================================
   Selection Style
   ============================================================ */

::selection {
  background: var(--accent-dim);
  color: var(--accent);
}

::-moz-selection {
  background: var(--accent-dim);
  color: var(--accent);
}