/* =============================================================
   SYDENHAM RENOVATION PROJECT — Custom Design System
   Built on Bootstrap 5. Uses CSS custom properties to manage
   the full design token set; overrides Bootstrap defaults via
   standard specificity (no !important abuse).
   ============================================================= */

/* -------------------------------------------------------------
   1. DESIGN TOKENS
   ------------------------------------------------------------- */
:root {
  /* Palette */
  --clr-navy:        #1e3a5f;   /* primary accent */
  --clr-navy-dark:   #152b47;   /* hover / active state */
  --clr-navy-light:  #2c5282;   /* secondary interactive */
  --clr-bg:          #f7f8fa;   /* page background */
  --clr-surface:     #ffffff;   /* cards, modals */
  --clr-border:      #e5e7eb;   /* dividers, input borders */
  --clr-text:        #111827;   /* body copy */
  --clr-muted:       #6b7280;   /* secondary text */
  --clr-success:     #059669;
  --clr-success-bg:  #ecfdf5;
  --clr-warning:     #d97706;
  --clr-warning-bg:  #fffbeb;
  --clr-danger:      #dc2626;
  --clr-danger-bg:   #fef2f2;
  --clr-info:        #0369a1;
  --clr-info-bg:     #f0f9ff;

  /* Typography */
  --font-body:       'Inter', system-ui, sans-serif;
  --font-heading:    'DM Sans', 'Inter', system-ui, sans-serif;

  /* Shape */
  --radius-sm:       0.25rem;
  --radius:          0.5rem;
  --radius-lg:       0.75rem;

  /* Shadow */
  --shadow-xs:       0 1px 2px rgba(0,0,0,0.06);
  --shadow-sm:       0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md:       0 4px 12px rgba(0,0,0,0.09), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg:       0 10px 24px rgba(0,0,0,0.10), 0 4px 8px rgba(0,0,0,0.06);

  /* Spacing */
  --section-gap:     2.5rem;
}

/* Override Bootstrap's primary colour token so .bg-primary, .text-primary etc. align */
:root {
  --bs-primary:             var(--clr-navy);
  --bs-primary-rgb:         30, 58, 95;
  --bs-link-color:          var(--clr-navy-light);
  --bs-link-hover-color:    var(--clr-navy);
  --bs-body-font-family:    var(--font-body);
  --bs-body-color:          var(--clr-text);
  --bs-body-bg:             var(--clr-bg);
  --bs-border-color:        var(--clr-border);
  --bs-border-radius:       var(--radius);
  --bs-border-radius-sm:    var(--radius-sm);
  --bs-border-radius-lg:    var(--radius-lg);
}

/* -------------------------------------------------------------
   2. BASE
   ------------------------------------------------------------- */
html {
  font-size: 15px;
  position: relative;
  min-height: 100%;
}

@media (min-width: 768px) {
  html { font-size: 16px; }
}

body {
  font-family: var(--font-body);
  color: var(--clr-text);
  background-color: var(--clr-bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--clr-text);
  letter-spacing: -0.01em;
}

a {
  color: var(--clr-navy-light);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--clr-navy);
}

/* -------------------------------------------------------------
   3. NAVBAR
   ------------------------------------------------------------- */
.site-navbar {
  background-color: var(--clr-navy);
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
  box-shadow: var(--shadow-sm);
}

.site-navbar .navbar-brand {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #fff;
  opacity: 1;
}

.site-navbar .navbar-brand:hover {
  color: rgba(255,255,255,0.85);
}

.site-navbar .nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255,255,255,0.82);
  padding-left: 0.85rem;
  padding-right: 0.85rem;
  border-radius: var(--radius-sm);
  transition: color 0.15s ease, background-color 0.15s ease;
}

.site-navbar .nav-link:hover,
.site-navbar .nav-link:focus {
  color: #fff;
  background-color: rgba(255,255,255,0.08);
}

.site-navbar .nav-link.active {
  color: #fff;
  background-color: rgba(255,255,255,0.12);
}

.site-navbar .nav-user-email {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
  cursor: default;
}

/* Dropdown */
.site-navbar .dropdown-menu {
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 0.35rem;
  background: var(--clr-surface);
  margin-top: 0.5rem;
}

.site-navbar .dropdown-item {
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.85rem;
  color: var(--clr-text);
  transition: background-color 0.12s ease;
}

.site-navbar .dropdown-item:hover {
  background-color: var(--clr-bg);
  color: var(--clr-navy);
}

/* Sign Out button in navbar */
.btn-signout {
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.35);
  color: rgba(255,255,255,0.82);
  background: transparent;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn-signout:hover {
  background-color: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.6);
  color: #fff;
}

/* Register button in navbar */
.btn-nav-register {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.3rem 0.9rem;
  border-radius: var(--radius);
  background-color: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.4);
  color: #fff;
  transition: background-color 0.15s ease;
}

.btn-nav-register:hover {
  background-color: rgba(255,255,255,0.22);
  color: #fff;
}

/* -------------------------------------------------------------
   4. CARDS
   ------------------------------------------------------------- */
.card {
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  background: var(--clr-surface);
}

.card-header {
  background: var(--clr-surface);
  border-bottom: 1px solid var(--clr-border);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.card-header h4,
.card-header h5 {
  margin-bottom: 0;
}

.card-body {
  padding: 1.75rem;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
}

/* -------------------------------------------------------------
   5. BUTTONS
   ------------------------------------------------------------- */
.btn {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.875rem;
  border-radius: var(--radius);
  padding: 0.5rem 1.1rem;
  transition: background-color 0.15s ease, border-color 0.15s ease,
              box-shadow 0.15s ease, color 0.15s ease;
}

.btn-primary {
  background-color: var(--clr-navy);
  border-color: var(--clr-navy);
  color: #fff;
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--clr-navy-dark);
  border-color: var(--clr-navy-dark);
  color: #fff;
}

.btn-primary:focus-visible {
  box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.3);
}

.btn-outline-primary {
  border-color: var(--clr-navy);
  color: var(--clr-navy);
}

.btn-outline-primary:hover {
  background-color: var(--clr-navy);
  border-color: var(--clr-navy);
  color: #fff;
}

.btn-outline-secondary {
  border-color: var(--clr-border);
  color: var(--clr-muted);
  background: var(--clr-surface);
}

.btn-outline-secondary:hover {
  background-color: var(--clr-bg);
  border-color: #c5cad2;
  color: var(--clr-text);
}

.btn-outline-danger {
  border-color: #fca5a5;
  color: var(--clr-danger);
  background: var(--clr-surface);
}

.btn-outline-danger:hover {
  background-color: var(--clr-danger-bg);
  border-color: var(--clr-danger);
  color: var(--clr-danger);
}

.btn-outline-success {
  border-color: #6ee7b7;
  color: var(--clr-success);
  background: var(--clr-surface);
}

.btn-outline-success:hover {
  background-color: var(--clr-success-bg);
  border-color: var(--clr-success);
  color: var(--clr-success);
}

/* lg variant */
.btn-lg {
  font-size: 0.9375rem;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius);
}

/* sm variant */
.btn-sm {
  font-size: 0.8125rem;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-sm);
}

/* Focus ring — global */
.btn:focus-visible,
.form-control:focus,
.form-check-input:focus {
  box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.2);
  outline: none;
}

/* -------------------------------------------------------------
   6. FORM CONTROLS
   ------------------------------------------------------------- */
.form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--clr-text);
  margin-bottom: 0.35rem;
}

.form-control,
.form-select {
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  padding: 0.55rem 0.875rem;
  color: var(--clr-text);
  background-color: var(--clr-surface);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--clr-navy-light);
  box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.15);
}

.form-control::placeholder {
  color: #a3aab3;
}

.form-text {
  font-size: 0.8125rem;
  color: var(--clr-muted);
}

/* Toggle switch */
.form-check-input:checked {
  background-color: var(--clr-navy);
  border-color: var(--clr-navy);
}

/* Validation */
.text-danger {
  color: var(--clr-danger);
  font-size: 0.8125rem;
}

/* -------------------------------------------------------------
   7. BADGES
   ------------------------------------------------------------- */
.badge {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.75rem;
  padding: 0.35em 0.7em;
  border-radius: var(--radius-sm);
  letter-spacing: 0.01em;
}

/* Semantic badge overrides — Bootstrap bg-* utilities need specificity help */
.badge.bg-success  { background-color: var(--clr-success)  !important; color: #fff; }
.badge.bg-warning  { background-color: var(--clr-warning-bg) !important; color: var(--clr-warning); border: 1px solid #fde68a; }
.badge.bg-danger   { background-color: var(--clr-danger-bg)  !important; color: var(--clr-danger);  border: 1px solid #fca5a5; }
.badge.bg-secondary{ background-color: #f3f4f6 !important; color: var(--clr-muted); border: 1px solid var(--clr-border); }

/* -------------------------------------------------------------
   8. ALERTS
   ------------------------------------------------------------- */
.alert {
  border-radius: var(--radius);
  border-width: 1px;
  font-size: 0.9rem;
  padding: 0.9rem 1.1rem;
}

.alert-success {
  background-color: var(--clr-success-bg);
  border-color: #a7f3d0;
  color: #065f46;
}

.alert-danger {
  background-color: var(--clr-danger-bg);
  border-color: #fca5a5;
  color: #991b1b;
}

.alert-info {
  background-color: var(--clr-info-bg);
  border-color: #bae6fd;
  color: var(--clr-info);
}

.alert-warning {
  background-color: var(--clr-warning-bg);
  border-color: #fde68a;
  color: #92400e;
}

/* -------------------------------------------------------------
   9. TABLES
   ------------------------------------------------------------- */
.table {
  font-size: 0.9rem;
  --bs-table-striped-bg: #f9fafb;
  --bs-table-hover-bg: #f3f4f6;
}

.table > thead.table-dark {
  --bs-table-bg: var(--clr-navy);
  --bs-table-color: #fff;
  background-color: var(--clr-navy);
  color: #fff;
}

.table > thead.table-dark th {
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  border-bottom: none;
  padding: 0.85rem 1rem;
}

.table > tbody td {
  padding: 0.75rem 1rem;
  vertical-align: middle;
  border-color: var(--clr-border);
}

.table-responsive {
  border-radius: var(--radius-lg);
  border: 1px solid var(--clr-border);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
}

/* -------------------------------------------------------------
   10. MODALS
   ------------------------------------------------------------- */
.modal-content {
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.modal-header {
  border-bottom: 1px solid var(--clr-border);
  padding: 1.25rem 1.5rem;
}

.modal-title {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  border-top: 1px solid var(--clr-border);
  padding: 1rem 1.5rem;
}

/* -------------------------------------------------------------
   11. FOOTER
   ------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--clr-border);
  padding: 1.25rem 0;
  background: var(--clr-surface);
  font-size: 0.8125rem;
  color: var(--clr-muted);
}

/* -------------------------------------------------------------
   12. PAGE-LEVEL UTILITIES
   ------------------------------------------------------------- */

/* Section / page headings */
.page-heading {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--clr-text);
  margin-bottom: 0;
}

/* Hero (home page) */
.hero-section {
  padding: 4rem 0 3.5rem;
}

.hero-section h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* Large icon block (email confirmation, access denied) */
.icon-display {
  font-size: 3rem;
  line-height: 1;
  color: var(--clr-navy-light);
  margin-bottom: 1rem;
}

/* Divider with text ("or") */
.divider-text {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--clr-muted);
  font-size: 0.8125rem;
  margin: 1.25rem 0;
}

.divider-text::before,
.divider-text::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--clr-border);
}

/* Calendar legend badges in header row */
.calendar-legend {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* Thin horizontal rule */
hr {
  border-color: var(--clr-border);
  opacity: 1;
}

.navbar-user-link {
  border-radius: var(--radius);
  padding: 0.2rem 0.5rem;
  transition: background-color 0.15s ease;
}

.navbar-user-link:hover {
  background-color: rgba(255,255,255,0.1);
}

/* Navbar user display */
.navbar-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255,255,255,0.4);
}

.navbar-avatar-placeholder {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.7);
  font-size: 0.8rem;
}

.nav-user-name {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.75);
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Admin day roster — small avatar next to volunteer name */
.roster-day-link {
  color: inherit;
  text-decoration: none;
}
.roster-day-link:hover {
  color: var(--clr-navy);
  text-decoration: underline;
  cursor: pointer;
}

.roster-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--clr-border);
  flex-shrink: 0;
}

.roster-avatar-placeholder {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: #e9ecef;
  color: #adb5bd;
  font-size: 1rem;
  flex-shrink: 0;
}


/* Modal availability toggles — pointer cursor on switches and their labels */
.modal .form-check.form-switch .form-check-input,
.modal .form-check.form-switch .form-check-label {
  cursor: pointer;
}

/* Roster table — invite toggle pointer */
.invite-toggle,
.invite-toggle + .form-check-label {
  cursor: pointer;
}

/* Invite history badge — tighter sizing */
.invite-history-badge {
  font-size: 0.72rem;
  min-width: 1.4rem;
  text-align: center;
}

/* Admin calendar — volunteer count badge on day cells */
.volunteer-count-event {
  background: transparent !important;
  border: none !important;
}

.volunteer-count-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  background-color: var(--clr-navy);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.15em 0.55em;
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
}

.fc .fc-daygrid-day,
.fc .fc-daygrid-day-frame,
.fc .fc-timegrid-slot {
  cursor: pointer;
}

/* -------------------------------------------------------------
   13. PROFILE AVATAR
   ------------------------------------------------------------- */
.profile-avatar-wrapper {
  display: inline-block;
  position: relative;
}

.profile-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--clr-border);
  box-shadow: var(--shadow-sm);
  display: block;
  margin: 0 auto;
}

.profile-avatar-placeholder {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background-color: #e9ecef;
  border: 3px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  color: #adb5bd;
  font-size: 2.5rem;
}


.form-floating > .form-control-plaintext::placeholder,
.form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder,
.form-floating > .form-control:focus::placeholder {
  text-align: start;
}