/* public/assets/css/style.css */
:root {
  --primary-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  --bg-color: #f1f5f9;
  --card-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(0, 0, 0, 0.08);
  --accent-color: #3b82f6;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-color);
  background-image: radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.05) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(124, 58, 237, 0.05) 0px, transparent 50%);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.5rem 2rem;
}

/* Glassmorphism Card Style */
.glass-card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 1.5rem;
  padding: 2rem;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05),
    0 8px 10px -6px rgba(0, 0, 0, 0.05);
}

h1,
h2,
h3 {
  margin-bottom: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

h1 {
  margin-bottom: 0;
}

.btn {
  display: inline-block;
  padding: 0.75rem;
  border-radius: 0.75rem;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.2s ease;
  cursor: pointer;
  border: 1px solid var(--glass-border);
  background: white;
  color: var(--text-primary);
}

.btn-primary {
  background: var(--primary-gradient);
  color: white;
  border: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(79, 70, 229, 0.4);
  opacity: 0.9;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
}

.form-control {
  width: 100%;
  padding: 0.8rem 1rem;
  background: white;
  border: 1px solid var(--glass-border);
  border-radius: 0.75rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.2s;
}

.form-control:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Auth Pages Layout */
.auth-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 80vh;
}

.auth-card {
  width: 100%;
  max-width: 400px;
}

/* Modal and Overlays */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  justify-content: center;
  align-items: center;
  padding: 1.5rem;
}

.modal-content {
  width: 100%;
  max-width: 500px;
  animation: modalAppear 0.3s ease-out;
}

@keyframes modalAppear {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Specific component overrides for light mode */
.calendar-grid {
  background: var(--glass-border) !important;
  user-select: none;
  /* Prevent text selection during bulk click */
  -webkit-user-select: none;
}

.calendar-day {
  background: white !important;
}

.calendar-day:hover {
  background: #f8fafc !important;
}

.calendar-day.bulk-selectable:active {
  background: rgba(59, 130, 246, 0.1) !important;
}

.calendar-day.bulk-selectable.selected-day:active {
  opacity: 0.8;
}

.calendar-day.selected-day {
  background: var(--accent-color) !important;
  color: white !important;
}

.calendar-day.selected-day .session-tag {
  border: 1px solid white;
}

.calendar-day.selected-day * {
  color: white !important;
}

/* Ensure session tags don't block clicks in bulk mode */
.bulk-selectable .day-sessions {
  pointer-events: none;
}

.empty-day {
  background: #f8fafc !important;
}

@media (max-width: 768px) {
  .empty-day {
    min-height: 80px !important;
  }
}

@media (max-width: 480px) {
  .empty-day {
    min-height: 60px !important;
  }
}

.session-tag {
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

footer {
  width: 100%;
  margin-top: 40px;
}

.footer-menu {
  display: flex;
  justify-content: flex-end;
}

.footer-menu ul {
  list-style: none;
}

.footer-menu ul li {
  display: inline-block;
  padding-left: 10px;
}

.footer-menu ul li a {
  font-size: 12px;
  text-decoration: none;
  color: var(--text-primary);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.nav-links {
  display: flex;
  gap: 0.5rem;
}

.nav-item {
  display: inline-block;
  padding: 0.75rem 1.2rem;
  border-radius: 0.75rem;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.2s ease;
  cursor: pointer;
  border: 1px solid var(--glass-border);
  background: white;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.nav-item:hover {
  background: #f8fafc;
  transform: translateY(-1px);
}

.hamburger {
  display: none;
}

/* Progress Page Grid Layouts */
.progress-summary-grid {
  display: flex;
  gap: 2rem;
  margin-bottom: 2rem;
}

.progress-summary-grid .summary-card {
  flex: 1;
}

.progress-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .container {
    padding: 1rem 0.5rem;
  }

  .glass-card {
    padding: 1.25rem;
    border-radius: 1rem;
  }

  nav {
    position: relative;
    margin-bottom: 1rem;
  }

  .hamburger {
    display: block !important;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
  }

  .hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 5px 0;
    transition: 0.3s;
    border-radius: 3px;
  }

  .hamburger.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
  }

  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
  }

  .nav-links {
    display: flex;
    position: fixed;
    right: -100%;
    top: 0;
    width: 250px;
    height: 100vh;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-left: 1px solid var(--glass-border);
    flex-direction: column;
    padding: 5rem 1.5rem 2rem;
    transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    box-shadow: -10px 0 25px rgba(0, 0, 0, 0.05);
    gap: 0;
  }

  .nav-links.active {
    right: 0;
  }

  .nav-item {
    display: block;
    padding: 1rem;
    font-size: 1.1rem;
    border: none;
    background: transparent;
    border-bottom: 1px solid var(--glass-border);
    border-radius: 0;
    width: 100%;
  }

  .nav-item:hover {
    transform: none;
    background: rgba(0, 0, 0, 0.02);
  }

  .nav-mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.3);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 999;
  }

  .nav-mobile-overlay.active {
    display: block;
  }

  nav h1 {
    font-size: 1.5rem;
    margin-bottom: 0;
  }

  /* Calendar Mobile Adjustments */
  .calendar-grid div {
    padding: 0.4rem 0.2rem !important;
    font-size: 0.8rem;
  }

  .calendar-day {
    min-height: 80px !important;
  }

  .session-tag {
    font-size: 0.6rem !important;
    padding: 2px 4px !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    border-radius: 2px;
  }

  .calendar-title-row h2 {
    color: var(--text-primary) !important;
    font-size: 1.15rem !important;
  }

  .calendar-header {
    flex-direction: row !important;
    justify-content: space-between !important;
    align-items: flex-start !important;
    gap: 0.2rem;
    text-align: left;
    margin-bottom: 0.8rem !important;
  }

  .header-left-col {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    flex: 1;
  }

  /* Month - Even larger for operability */
  .calendar-header span {
    font-size: 1.5rem !important;
    font-weight: 800 !important;
    margin: 0 0.5rem !important;
  }

  .calendar-header .btn {
    padding: 0.7rem 1.0rem !important;
    font-size: 1.2rem !important;
  }

  .estimated-finish-row {
    margin-top: 0.35rem !important;
    font-size: 0.9rem !important;
    color: var(--text-secondary) !important;
  }

  .estimated-finish-row span {
    font-size: 1.15rem !important;
    color: var(--accent-color) !important;
    font-weight: 700 !important;
  }

  .progress-info-row {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    text-align: right;
    font-size: 0.85rem !important;
    line-height: 1.4;
    min-width: 110px;
  }

  .stats-mini,
  .pace-mini,
  .pace-mini span {
    font-size: 0.85rem !important;
    margin: 0 !important;
    font-weight: 600 !important;
  }

  /* Auth pages */
  .auth-container {
    padding: 1rem;
    min-height: 70vh;
  }

  /* Progress Page Mobile */
  .progress-summary-grid {
    flex-direction: column;
    gap: 1rem;
  }

  .progress-detail-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

@media (max-width: 480px) {
  .calendar-grid {
    font-size: 0.7rem;
  }

  .calendar-day {
    min-height: 60px !important;
  }

  .session-tag {
    font-size: 0.55rem !important;
    height: auto;
    line-height: 1;
    padding: 1px 2px !important;
  }
}