/* ============================================================
   ekko QR Manager — Design System
   ============================================================ */

/* ------------------------------------------------------------
   CSS Custom Properties
   ------------------------------------------------------------ */
:root {
  --color-timber:   #1b1e64;   /* deep navy-indigo (logo inner ring) */
  --color-shamrock: #44f088;   /* lime green (logo outer gradient) */
  --color-electric: #009be7;   /* electric blue (logo ring accent) */
  --color-cyan:     #1abcc3;   /* teal-cyan (logo gradient end) */
  --color-surface:  #22266e;   /* slightly lighter navy for cards */
  --color-border:   #2d3285;   /* blue-tinted border */
  --color-text:     #e8f0ff;   /* blue-white text */
  --color-muted:    #7a8fd4;   /* muted blue-purple */

  --gradient-brand: linear-gradient(135deg, #44f088 0%, #009be7 50%, #1abcc3 100%);

  --radius-sm:   0.375rem;
  --radius-md:   0.75rem;
  --radius-lg:   1rem;
  --radius-xl:   1.25rem;

  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.45);

  --transition-fast:   150ms ease;
  --transition-normal: 250ms ease;
}

/* ------------------------------------------------------------
   Base Reset Helpers
   ------------------------------------------------------------ */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  color: var(--color-text);
  background-color: var(--color-timber);
}

/* ------------------------------------------------------------
   Scrollbar Styling (Webkit)
   ------------------------------------------------------------ */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--color-timber);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 99px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-muted);
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) var(--color-timber);
}

/* ------------------------------------------------------------
   Sidebar Layout
   ------------------------------------------------------------ */
.app-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 220px;
  flex-shrink: 0;
  background-color: var(--color-timber);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  padding: 1.25rem 0.75rem;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 40;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.5rem 1.5rem;
  text-decoration: none;
  color: var(--color-text);
}

.sidebar-logo span {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.sidebar-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.sidebar-footer {
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  margin-top: auto;
}

.main-content {
  margin-left: 220px;
  flex: 1;
  padding: 2rem;
  min-height: 100vh;
}

/* ------------------------------------------------------------
   Nav Links
   ------------------------------------------------------------ */
.nav-link {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-md);
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-text);
  background-color: var(--color-surface);
}

.nav-link.active {
  color: var(--color-text);
  background-color: rgba(0, 155, 231, 0.15);
  border-left: 2px solid var(--color-electric);
}

.nav-link svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
}

/* ------------------------------------------------------------
   User pill (sidebar footer)
   ------------------------------------------------------------ */
.user-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-md);
  margin-bottom: 0.25rem;
}

.user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--color-shamrock);
  color: var(--color-timber);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.user-name {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ------------------------------------------------------------
   Buttons
   ------------------------------------------------------------ */
.btn-primary,
.btn-secondary,
.btn-danger {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  white-space: nowrap;
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-secondary:hover,
.btn-danger:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

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

.btn-primary {
  background: var(--gradient-brand);
  color: var(--color-timber);
  font-weight: 700;
  border: none;
}

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

.btn-danger {
  background-color: #e05252;
  color: #fff;
}

/* ------------------------------------------------------------
   Cards
   ------------------------------------------------------------ */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  padding: 1.25rem;
}

/* ------------------------------------------------------------
   Badges
   ------------------------------------------------------------ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.6rem;
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.badge-active {
  background-color: var(--color-shamrock);
  color: var(--color-timber);
}

.badge-inactive {
  background-color: rgba(0, 155, 231, 0.15);
  color: var(--color-electric);
}

/* ------------------------------------------------------------
   Flash Messages
   ------------------------------------------------------------ */
.flash-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: 360px;
  pointer-events: none;
}

.flash {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid transparent;
  pointer-events: auto;
  animation: flash-in var(--transition-normal) both;
}

.flash-success {
  background-color: rgba(64, 218, 120, 0.15);
  border-color: rgba(64, 218, 120, 0.4);
  color: var(--color-shamrock);
}

.flash-error {
  background-color: rgba(224, 82, 82, 0.15);
  border-color: rgba(224, 82, 82, 0.4);
  color: #f08080;
}

.flash-warning {
  background-color: rgba(0, 155, 231, 0.15);
  border-color: rgba(0, 155, 231, 0.4);
  color: var(--color-electric);
}

.flash-info {
  background-color: rgba(77, 200, 244, 0.15);
  border-color: rgba(77, 200, 244, 0.4);
  color: var(--color-cyan);
}

@keyframes flash-in {
  from { opacity: 0; transform: translateX(1rem); }
  to   { opacity: 1; transform: translateX(0); }
}

.flash-dismiss {
  opacity: 0;
  transition: opacity var(--transition-normal);
  pointer-events: none;
}

/* ------------------------------------------------------------
   Transition Utilities
   ------------------------------------------------------------ */
.transition-fast   { transition: all var(--transition-fast); }
.transition-normal { transition: all var(--transition-normal); }

/* ------------------------------------------------------------
   Mobile — Bottom Nav (max-width: 768px)
   ------------------------------------------------------------ */
@media (max-width: 768px) {
  .sidebar {
    width: 100%;
    height: auto;
    position: fixed;
    bottom: 0;
    top: auto;
    left: 0;
    right: 0;
    border-right: none;
    border-top: 1px solid var(--color-border);
    flex-direction: row;
    padding: 0.5rem 1rem;
    padding-bottom: env(safe-area-inset-bottom, 0.5rem);
    overflow-x: auto;
    overflow-y: hidden;
  }

  .sidebar-logo {
    display: none;
  }

  .sidebar-nav {
    flex-direction: row;
    flex: 1;
    justify-content: space-around;
    gap: 0;
  }

  .sidebar-footer {
    display: none;
  }

  .nav-link {
    flex-direction: column;
    gap: 0.2rem;
    padding: 0.375rem 0.5rem;
    font-size: 0.7rem;
    border-radius: var(--radius-sm);
    min-width: 56px;
    text-align: center;
    justify-content: center;
  }

  .nav-link svg {
    width: 20px;
    height: 20px;
  }

  .main-content {
    margin-left: 0;
    padding: 1rem;
    padding-bottom: 5rem; /* space for bottom nav */
  }
}

/* Brand gradient accent line at top of sidebar */
.sidebar::before {
  content: '';
  display: block;
  height: 3px;
  background: var(--gradient-brand);
  border-radius: 0 0 4px 4px;
  margin-bottom: 1px;
}