/* ============================================
   Authentication Styles
   ============================================ */

:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --border-color: #30363d;
  --border-light: #484f58;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --accent-blue: #58a6ff;
  --accent-green: #3fb950;
  --accent-red: #f85149;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f6f8fa;
  --bg-tertiary: #e8edf3;
  --border-color: #d1d9e0;
  --border-light: #b4bcc6;
  --text-primary: #1f2328;
  --text-secondary: #57606a;
  --text-muted: #8c959f;
  --accent-blue: #0969da;
  --accent-green: #1a7f37;
  --accent-red: #cf222e;
}

[data-theme="light"] .auth-card {
  box-shadow: 0 8px 24px rgba(31, 35, 40, 0.08);
}

[data-theme="light"] .flash-success {
  background: rgba(26, 127, 55, 0.08);
  border: 1px solid rgba(26, 127, 55, 0.2);
}

[data-theme="light"] .flash-error {
  background: rgba(207, 34, 46, 0.08);
  border: 1px solid rgba(207, 34, 46, 0.2);
}

[data-theme="light"] .flash-info {
  background: rgba(9, 105, 218, 0.08);
  border: 1px solid rgba(9, 105, 218, 0.2);
}

[data-theme="light"] .form-group input:focus {
  box-shadow: 0 0 0 3px rgba(9, 105, 218, 0.1);
}

[data-theme="light"] .btn-primary:hover {
  background: #0860ca;
  border-color: #0860ca;
  box-shadow: 0 4px 12px rgba(9, 105, 218, 0.25);
}

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

body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1.5;
}

.auth-container {
  width: 100%;
  max-width: 420px;
  padding: 20px;
}

.auth-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 32px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.auth-header {
  text-align: center;
  margin-bottom: 28px;
}

.auth-header h1 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.auth-header p {
  color: var(--text-secondary);
  font-size: 15px;
}

/* Flash Messages */
.flash-messages {
  margin-bottom: 20px;
}

.flash {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 10px;
}

.flash-success {
  background: rgba(63, 185, 80, 0.1);
  border: 1px solid rgba(63, 185, 80, 0.3);
  color: var(--accent-green);
}

.flash-error {
  background: rgba(248, 81, 73, 0.1);
  border: 1px solid rgba(248, 81, 73, 0.3);
  color: var(--accent-red);
}

.flash-info {
  background: rgba(88, 166, 255, 0.1);
  border: 1px solid rgba(88, 166, 255, 0.3);
  color: var(--accent-blue);
}

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

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

.form-group label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}

.form-group input {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--text-primary);
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.1);
}

.form-group .hint {
  font-size: 12px;
  color: var(--text-muted);
}

.form-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
}

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

.checkbox input {
  width: 16px;
  height: 16px;
  accent-color: var(--accent-blue);
}

.link {
  color: var(--accent-blue);
  text-decoration: none;
  font-size: 13px;
}

.link:hover {
  text-decoration: underline;
}

/* Buttons */
.btn-primary {
  background: var(--accent-blue);
  border: 1px solid var(--accent-blue);
  border-radius: 8px;
  padding: 12px 20px;
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-primary:hover {
  background: #79b8ff;
  border-color: #79b8ff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(88, 166, 255, 0.3);
}

.btn-full {
  width: 100%;
}

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

.auth-footer a {
  color: var(--accent-blue);
  text-decoration: none;
}

.auth-footer a:hover {
  text-decoration: underline;
}