/* Base application styles */
:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-success: #16a34a;
  --color-danger: #dc2626;
  --color-warning: #d97706;
  --color-text: #1f2937;
  --color-text-muted: #6b7280;
  --color-bg: #ffffff;
  --color-bg-alt: #f3f4f6;
  --color-border: #e5e7eb;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --radius: 0.375rem;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-bg);
  margin: 0;
  padding: 0;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Flash messages */
.flash {
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  border-radius: var(--radius);
}

.flash-notice {
  background-color: #dcfce7;
  color: var(--color-success);
  border: 1px solid var(--color-success);
}

.flash-alert {
  background-color: #fef2f2;
  color: var(--color-danger);
  border: 1px solid var(--color-danger);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.15s ease;
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  text-decoration: none;
}

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

.btn-secondary:hover {
  background-color: var(--color-border);
}

.btn-danger {
  background-color: var(--color-danger);
  color: white;
}

.btn-link {
  background: none;
  border: none;
  color: var(--color-primary);
  cursor: pointer;
  padding: 0;
  font-size: inherit;
}

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

/* Forms */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  font-size: 0.875rem;
}

.form-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background-color: var(--color-bg);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-input.error {
  border-color: var(--color-danger);
}

.form-error {
  color: var(--color-danger);
  font-size: 0.875rem;
  margin-top: var(--spacing-xs);
}

.form-hint {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-top: var(--spacing-xs);
}

/* Tables */
.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.table th {
  font-weight: 600;
  background-color: var(--color-bg-alt);
}

.table tbody tr:hover {
  background-color: var(--color-bg-alt);
}

/* Cards */
.card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-lg);
}

.card-header {
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.card-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
}

/* Utilities */
.text-muted {
  color: var(--color-text-muted);
}

.text-center {
  text-align: center;
}

.mt-md {
  margin-top: var(--spacing-md);
}

.mb-md {
  margin-bottom: var(--spacing-md);
}

.flex {
  display: flex;
}

.justify-between {
  justify-content: space-between;
}

.items-center {
  align-items: center;
}

.gap-sm {
  gap: var(--spacing-sm);
}

.gap-md {
  gap: var(--spacing-md);
}

/* Textarea */
.form-textarea {
  min-height: 120px;
  resize: vertical;
  font-family: inherit;
}

/* Description text display */
.description-text {
  white-space: pre-wrap;
  line-height: 1.6;
}

.description-text p {
  margin: 0 0 var(--spacing-sm) 0;
}

.description-text p:last-child {
  margin-bottom: 0;
}

/* ===== OAuth / Login Extras ===== */
.oauth-divider {
  text-align: center;
  margin: 1.5rem 0;
  position: relative;
}

.oauth-divider::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  border-top: 1px solid var(--oauth-divider-color, rgba(0, 242, 255, 0.2));
}

.oauth-divider span {
  position: relative;
  background: var(--oauth-divider-bg, #060b18);
  padding: 0 1rem;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.oauth-form {
  margin: 0;
}

.btn-oauth {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--oauth-btn-border, rgba(0, 242, 255, 0.3));
  border-radius: 6px;
  background: var(--oauth-btn-bg, rgba(255, 255, 255, 0.05));
  color: var(--oauth-btn-color, #ffffff);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-oauth:hover {
  background: var(--oauth-btn-hover-bg, rgba(255, 255, 255, 0.1));
  border-color: var(--oauth-btn-hover-border, rgba(0, 242, 255, 0.5));
}

.google-icon {
  flex-shrink: 0;
}

.btn-apple {
  background: #000000;
  border-color: rgba(255, 255, 255, 0.3);
  margin-top: 0.75rem;
}

.btn-apple:hover {
  background: #1a1a1a;
  border-color: rgba(255, 255, 255, 0.5);
}

.apple-icon {
  flex-shrink: 0;
}

.auth-links {
  margin-top: 1.5rem;
  text-align: center;
  font-size: 0.875rem;
}

.auth-links a {
  color: var(--oauth-link-color, #00f2ff);
  text-decoration: none;
}

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