/* Global Modern Styles for Struva - non-invasive additions */

:root {
  --color-bg: #0f172a; /* slate-900 */
  --color-surface: #111827; /* gray-900 */
  --color-card: #0b1220; /* deep */
  --color-elevated: #111827; 
  --color-primary: #38bdf8; /* sky-400 */
  --color-primary-600: #0284c7; /* sky-600 */
  --color-accent: #22d3ee; /* cyan-400 */
  --color-text: #e5e7eb; /* gray-200 */
  --color-subtle: #94a3b8; /* slate-400 */
  --ring: 0 0 0 3px rgba(56, 189, 248, 0.35);
  --radius: 14px;
  --shadow-soft: 0 10px 30px rgba(0,0,0,0.3);
  --shadow-card: 0 6px 22px rgba(0,0,0,0.35);
}

html, body {
  background: radial-gradient(1200px 600px at 10% -10%, rgba(56,189,248,0.12), transparent 60%),
              radial-gradient(1000px 500px at 100% 0%, rgba(34,211,238,0.10), transparent 60%),
              var(--color-bg);
  color: var(--color-text);
}

/* Make footer sit at bottom when content is short, without fixing it */
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Light theme variant */
[data-theme="light"] {
  --color-bg: #e9eef5; /* soft slate/blue gray */
  --color-surface: #f3f6fb; /* soft surface */
  --color-card: #ffffff;
  --color-elevated: #ffffff;
  --color-primary: #0ea5e9; /* sky-500 */
  --color-primary-600: #0284c7; /* sky-600 */
  --color-accent: #22d3ee; /* cyan-400 */
  --color-text: #0b1220;
  --color-subtle: #334155; /* slate-700 */
}

[data-theme="light"] html,[data-theme="light"] body {
  background: radial-gradient(1200px 600px at 10% -10%, rgba(14,165,233,0.12), transparent 60%),
              radial-gradient(1000px 500px at 100% 0%, rgba(34,211,238,0.08), transparent 60%),
              var(--color-bg);
}

/* Typography */
body, input, button, select, textarea {
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

h1,h2,h3,h4,h5 {
  color: var(--color-text);
}

/* Navbar */
.bg-blue {
  background: linear-gradient(180deg, rgba(2,132,199,0.25), rgba(2,132,199,0.15)) !important;
  backdrop-filter: saturate(130%) blur(6px);
  border-bottom: 1px solid rgba(148,163,184,0.15);
}

[data-theme="light"] .bg-blue {
  background: linear-gradient(180deg, rgba(2,132,199,0.15), rgba(2,132,199,0.08)) !important;
}

.navbar.navbar-dark .navbar-brand {
  font-weight: 700;
  letter-spacing: 0.3px;
}

.navbar.navbar-dark .nav-link {
  color: var(--color-text) !important;
  opacity: 0.85;
}

.navbar.navbar-dark .nav-link:hover {
  opacity: 1;
}

/* Cards */
.card-modern {
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border: 1px solid rgba(148,163,184,0.12);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 22px;
}

.card-modern .card-header {
  border-bottom: 1px solid rgba(148,163,184,0.15);
  margin-bottom: 14px;
}

/* Buttons */
.btn-modern, .add-workout-btn {
  background: linear-gradient(180deg, var(--color-primary), var(--color-primary-600));
  color: #001018 !important;
  font-weight: 700;
  border: none !important;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(2,132,199,0.35);
}

.btn-modern:hover, .add-workout-btn:hover {
  filter: brightness(1.05);
}

.btn-outline-info {
  color: var(--color-text);
  border-color: rgba(148,163,184,0.35);
}

.btn-outline-info.active, .btn-outline-info:focus {
  color: #001018;
  background: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: var(--ring);
}

/* Forms */
.form-modern input[type="text"],
.form-modern input[type="password"],
.form-modern input[type="number"],
.form-modern input[type="date"],
.form-modern select,
.form-modern textarea,
form input[type="text"],
form input[type="password"],
form input[type="number"],
form input[type="date"],
form select,
form textarea {
  background: rgba(2,6,23,0.6);
  color: var(--color-text);
  border: 1px solid rgba(148,163,184,0.2);
  border-radius: 10px;
  padding: 10px 12px;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  box-shadow: var(--ring);
  border-color: var(--color-primary) !important;
}

/* Tables */
.table-modern {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border: 1px solid rgba(148,163,184,0.12);
  border-radius: var(--radius);
  overflow: hidden;
}

.table-modern thead {
  background: rgba(2,132,199,0.12);
}

.table-modern th, .table-modern td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(148,163,184,0.12);
}

.table-modern tr:last-child td {
  border-bottom: none;
}

/* Utility */
.container-narrow {
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}

.auth-wrapper {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.muted {
  color: var(--color-subtle);
}

/* Thin divider for sub-items within workout cards */
.subitem-divider {
  border: 0;
  border-top: 1px solid rgba(148,163,184,0.18);
  margin: 8px 0;
}

/* Footer */
.primary-footer {
  background: var(--color-elevated) !important;
  border-top: 1px solid rgba(148,163,184,0.25);
}

.primary-footer {
  margin-top: auto; /* push footer to bottom when page is short */
}

/* Floating action button for Add Workout on feed */
.add-workout-fab {
  position: fixed;
  right: 20px;
  bottom: 60px; /* lifted to avoid overlapping footer */
  z-index: 1030;
  padding: 14px 28px; /* bigger button */
  font-size: 1.125rem; /* slightly larger text */
  border-radius: 12px; /* keep rectangular, not pill */
}

@media (max-width: 600px) {
  .add-workout-fab {
    right: 12px;
    bottom: 72px; /* lifted on small screens too */
    padding: 12px 20px;
    font-size: 1rem;
  }
}

/* Footer participates in normal document flow (not fixed) */

/* Floating theme toggle for pages without shared header */
.theme-toggle-fab {
  position: fixed;
  right: 16px;
  bottom: 80px; /* above footer */
  z-index: 1040;
  border: none;
  border-radius: 9999px;
  padding: 10px 14px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-primary-600));
  color: #001018;
  box-shadow: 0 8px 24px rgba(2,132,199,0.35);
  cursor: pointer;
}