/* =========================================================================
   VSL.IM - MODERN LINK SHORTENER STYLESHEET
   ========================================================================= */

/* -------------------------------------------------------------------------
   CORE SETUP & TYPOGRAPHY
   ------------------------------------------------------------------------- */
* {
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  margin: 0;
  padding: 0;
}

:root {
  /* Colors */
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.4);

  /* Backgrounds */
  --bg-dark: #0f172a;
  --surface-dark: rgba(30, 41, 59, 0.5);
  --border-dark: rgba(148, 163, 184, 0.15);

  /* Text */
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  /* Layout */
  --max-width: 1200px;
  --radius-lg: 1.5rem;
  --radius-md: 1rem;
  --radius-sm: 0.75rem;
}

/* -------------------------------------------------------------------------
   DARK THEME (DEFAULT)
   ------------------------------------------------------------------------- */
[data-bs-theme="dark"] body {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: var(--text-primary);
  min-height: 100vh;
}

/* -------------------------------------------------------------------------
   LAYOUT
   ------------------------------------------------------------------------- */
.sl-shell {
  min-height: calc(100vh - 60px);
  padding: 1.5rem 1rem;
  position: relative;
}

.container-xxl {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1rem;
}

/* -------------------------------------------------------------------------
   GLASS CARD COMPONENTS
   ------------------------------------------------------------------------- */
.sl-glass-card {
  background: var(--surface-dark);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  backdrop-filter: blur(20px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
}

.sl-glass-card:hover {
  border-color: rgba(148, 163, 184, 0.25);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.4);
}

/* -------------------------------------------------------------------------
   TYPOGRAPHY
   ------------------------------------------------------------------------- */
.sl-title {
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sl-subtitle {
  font-size: 0.95rem;
  line-height: 1.4;
  color: var(--text-secondary);
  font-weight: 400;
}

.sl-stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  display: block;
}

.sl-stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1;
}

/* -------------------------------------------------------------------------
   FORM ELEMENTS
   ------------------------------------------------------------------------- */
.form-control,
.form-select {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 1rem 1.25rem;
  font-size: 1rem;
  transition: all 0.2s ease;
}

.form-control:focus,
.form-select:focus {
  background: rgba(15, 23, 42, 0.8);
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-glow);
  outline: none;
}

.form-control::placeholder {
  color: var(--text-muted);
}

/* -------------------------------------------------------------------------
   BUTTONS
   ------------------------------------------------------------------------- */
.btn-primary {
  background: var(--primary);
  border: none;
  color: white;
  font-weight: 600;
  padding: 0.875rem 2rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 14px var(--primary-glow);
  transition: all 0.2s ease;
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline-secondary {
  background: transparent;
  border: 1px solid var(--border-dark);
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.btn-outline-secondary:hover {
  background: rgba(148, 163, 184, 0.1);
  border-color: rgba(148, 163, 184, 0.3);
  color: var(--text-primary);
}

/* -------------------------------------------------------------------------
   NAVIGATION
   ------------------------------------------------------------------------- */
.sl-nav {
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-dark);
  position: sticky;
  top: 0;
  z-index: 1050;
  min-height: 60px;
}

.sl-logo-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #ec4899);
  display: inline-block;
}

.sl-brand-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.sl-nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
  transition: color 0.2s ease;
  text-decoration: none;
}

.sl-nav-link:hover,
.sl-nav-link-active {
  color: var(--text-primary);
}

/* -------------------------------------------------------------------------
   AVATAR & DROPDOWN
   ------------------------------------------------------------------------- */
.sl-avatar-btn {
  padding: 8px;
  margin: -8px;
  border-radius: 50%;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  background: transparent;
}

.sl-avatar-btn:hover {
  transform: scale(1.05);
}

.sl-avatar-circle {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), #ec4899);
  color: white;
  font-weight: 700;
  font-size: 0.8rem;
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
  letter-spacing: 0.05em;
}

/* Glassmorphism for Bootstrap Dropdowns */
.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  z-index: 1100;
  background: rgba(30, 41, 59, 1) !important;
  backdrop-filter: blur(20px) !important;
  border: 1px solid var(--border-dark) !important;
  border-radius: 0.75rem !important;
  padding: 0.5rem !important;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5) !important;
  min-width: 200px;
  margin-top: 10px !important;
}

.dropdown-menu.show {
  display: block !important;
}

.dropdown-item {
  color: var(--text-secondary) !important;
  border-radius: 0.5rem !important;
  padding: 0.6rem 1rem !important;
  font-weight: 500 !important;
  transition: all 0.2s ease !important;
}

.dropdown-item:hover {
  background: rgba(255, 255, 255, 0.05) !important;
  color: var(--text-primary) !important;
  transform: translateX(4px);
}

.dropdown-divider {
  border-color: var(--border-dark) !important;
  opacity: 1 !important;
}

.dropdown-header {
  color: var(--text-muted) !important;
  font-weight: 700 !important;
  letter-spacing: 0.05em !important;
  padding: 0.5rem 1rem !important;
}


/* -------------------------------------------------------------------------
   STATS & INFO CARDS
   ------------------------------------------------------------------------- */
.text-accent {
  color: var(--primary);
}

.sl-muted {
  color: var(--text-muted);
}

/* -------------------------------------------------------------------------
   RESPONSIVE
   ------------------------------------------------------------------------- */
@media (max-width: 768px) {
  .sl-title {
    font-size: 2.5rem;
  }

  .sl-subtitle {
    font-size: 1.1rem;
  }

  .sl-glass-card {
    padding: 1.5rem;
  }

  .sl-shell {
    padding: 2rem 1rem;
  }
}

/* -------------------------------------------------------------------------
   UTILITIES
   ------------------------------------------------------------------------- */
.rounded-pill {
  border-radius: 50rem !important;
}

.rounded-4 {
  border-radius: var(--radius-md) !important;
}

.text-break {
  word-wrap: break-word;
  word-break: break-word;
}

.opacity-75 {
  opacity: 0.75;
}

.opacity-50 {
  opacity: 0.5;
}

.hover-opacity-100:hover {
  opacity: 1;
}

/* -------------------------------------------------------------------------
   FLATPICKR CALENDAR OVERRIDES
   ------------------------------------------------------------------------- */
.flatpickr-input[readonly].form-control {
  cursor: pointer;
}

[data-bs-theme="dark"] .flatpickr-input[readonly].form-control {
  background: rgba(15, 23, 42, 0.6);
  color: var(--text-primary);
}

/* Calendar container */
.flatpickr-calendar {
  background: #1e293b;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

.flatpickr-calendar.open {
  z-index: 9999;
}

/* Month navigation */
.flatpickr-months {
  background: #1e293b;
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.flatpickr-month {
  color: var(--text-primary);
  fill: var(--text-primary);
}

.flatpickr-current-month {
  color: var(--text-primary);
}

.flatpickr-current-month .flatpickr-monthDropdown-months {
  background: #1e293b;
  color: var(--text-primary);
}

.flatpickr-current-month input.cur-year {
  color: var(--text-primary);
  background: transparent;
}

/* Navigation arrows */
.flatpickr-prev-month,
.flatpickr-next-month {
  color: var(--text-secondary);
  fill: var(--text-secondary);
}

.flatpickr-prev-month:hover,
.flatpickr-next-month:hover {
  color: var(--text-primary);
  fill: var(--text-primary);
}

/* Weekday labels */
.flatpickr-weekdays {
  background: #1e293b;
}

.flatpickr-weekday {
  color: var(--text-muted);
  font-weight: 600;
}

/* Days */
.flatpickr-days {
  background: #1e293b;
}

.flatpickr-day {
  color: var(--text-primary);
  border: none;
}

.flatpickr-day:hover {
  background: rgba(99, 102, 241, 0.2);
  border-color: transparent;
  color: var(--text-primary);
}

.flatpickr-day.today {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.1);
  color: var(--text-primary);
}

.flatpickr-day.today:hover {
  background: rgba(99, 102, 241, 0.2);
  border-color: var(--primary);
}

.flatpickr-day.selected {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.flatpickr-day.selected:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
}

.flatpickr-day.prevMonthDay,
.flatpickr-day.nextMonthDay {
  color: var(--text-muted);
  opacity: 0.4;
}

.flatpickr-day.disabled {
  color: var(--text-muted);
  opacity: 0.3;
}

/* Time picker */
.flatpickr-time {
  background: #1e293b;
  border-top: 1px solid rgba(148, 163, 184, 0.2);
}

.flatpickr-time input {
  color: var(--text-primary);
  background: transparent;
}

.flatpickr-time .numInputWrapper span {
  color: var(--text-secondary);
}

.flatpickr-time .numInputWrapper span:hover {
  background: rgba(99, 102, 241, 0.2);
}

.flatpickr-time input:hover,
.flatpickr-time .flatpickr-am-pm:hover {
  background: rgba(99, 102, 241, 0.1);
}