:root {
  --primary:       #3b82f6;
  --primary-dark:  #2563eb;
  --primary-darker:#1d4ed8;
  --primary-light: #bfdbfe;
  --primary-bg:    #eff6ff;
  --primary-text:  #1e3a8a;
  --bg-color:      #eff6ff;
  --hero-grad-from:#eff6ff;
  --hero-grad-to:  #bfdbfe;
  --fc-today-bg:   #eff6ff;
  --fc-list-today: #eff6ff;
  --fc-list-color: #1e40af;
}
body {
  background-color: var(--bg-color);
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  overflow-y: scroll;
  overscroll-behavior-y: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
.loader {
  border: 4px solid #f3f3f3;
  border-top: 4px solid var(--primary);
  border-radius: 50%;
  width: 30px;
  height: 30px;
  animation: spin 1s linear infinite;
  display: none;
  margin: 10px auto;
}
@keyframes spin {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
.admin-nav-item.active {
  background-color: var(--primary);
  color: white;
  border-radius: 0.5rem;
}
.admin-nav-item {
  transition: all 0.3s ease;
}
.admin-nav-item:hover:not(.active) {
  background-color: var(--primary-light);
  color: var(--primary-text);
  border-radius: 0.5rem;
}
.section-view {
  display: none;
  animation: fadeIn 0.4s cubic-bezier(0.165, 0.840, 0.440, 1.000);
  will-change: opacity, transform;
}
.section-view.active {
  display: block;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-bg {
  background: linear-gradient(135deg, var(--hero-grad-from) 0%, var(--hero-grad-to) 100%);
  position: relative;
  overflow: hidden;
}
.hero-stars {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(#eab308 1.5px, transparent 1.5px);
  background-size: 30px 30px;
  opacity: 0.4;
}

/* Hide number input spinners */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Hardware Acceleration Helpers for Smooth Scrolling */
.gpu-accel {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
    will-change: transform;
}

/* Optimization for lists */
#public-member-grid > div {
    will-change: transform, box-shadow;
    transform: translateZ(0);
}

/* =========================================
   THEME PICKER CARDS
   ========================================= */
.theme-card {
    cursor: pointer;
    border: 2px solid #e5e7eb;
    border-radius: 0.75rem;
    padding: 0.4rem;
    transition: all 0.2s ease;
    background: #f9fafb;
}
.theme-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.14);
    border-color: #9ca3af;
}
.fc-daygrid-event:hover {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transform: translateY(-1px);
}
.theme-card.active-theme {
    border-color: #374151;
    box-shadow: 0 0 0 3px rgba(55,65,81,0.25);
    background: #fff;
}
.theme-swatch {
    height: 44px;
    border-radius: 0.45rem;
    width: 100%;
    margin-bottom: 0.35rem;
}

/* =========================================
   BUTTON THEME EXTENSIONS
   ========================================= */
.btn-outline-theme {
    border-color: var(--primary) !important;
    color: var(--primary) !important;
    background-color: transparent !important;
}
.btn-outline-theme:hover {
    background-color: var(--primary) !important;
    color: #ffffff !important;
}

.hover-theme:hover {
    background-color: var(--primary) !important;
    color: #ffffff !important;
}

.member-sosmed-btn {
    border-color: var(--member-clr);
    color: var(--member-clr);
}
.member-sosmed-btn:hover {
    background-color: var(--member-clr);
    color: #ffffff !important;
}

.member-buy-btn:hover {
    background-color: color-mix(in srgb, var(--member-clr) 85%, black) !important;
}

.member-outline-btn {
    border-color: var(--member-clr);
    color: var(--member-clr);
    background-color: transparent;
}
.member-outline-btn:hover {
    background-color: color-mix(in srgb, var(--member-clr) 85%, black) !important;
    border-color: color-mix(in srgb, var(--member-clr) 85%, black) !important;
    color: #ffffff !important;
}

/* =========================================
   FULLCALENDAR THEME OVERRIDES
   ========================================= */
.fc .fc-button-primary {
    background-color: var(--primary) !important;
    border-color: var(--primary-dark) !important;
    color: #fff !important;
    border-radius: 0.5rem !important;
    font-weight: 700 !important;
    box-shadow: none !important;
    transition: background-color 0.2s ease !important;
}
.fc .fc-button-primary:hover {
    background-color: var(--primary-dark) !important;
    border-color: var(--primary-darker) !important;
}
.fc .fc-button-primary:not(:disabled).fc-button-active,
.fc .fc-button-primary:not(:disabled):active {
    background-color: var(--primary-darker) !important;
    border-color: var(--primary-darker) !important;
}
.fc .fc-toolbar-title {
    font-size: 1.15rem !important;
    font-weight: 800 !important;
    color: var(--primary-text) !important;
}
.fc .fc-col-header-cell-cushion {
    font-weight: 700 !important;
    color: var(--primary) !important;
    text-decoration: none !important;
}
.fc .fc-daygrid-day-number {
    color: #374151;
    font-weight: 600;
    text-decoration: none !important;
}
.fc .fc-day-today {
    background-color: var(--fc-today-bg) !important;
}
.fc-event {
    cursor: pointer !important;
    border-radius: 4px !important;
    font-size: 0.72rem !important;
    font-weight: 700 !important;
    padding: 1px 4px !important;
}
.fc-event:hover { opacity: 0.85; }
.fc-list-event:hover td {
    background-color: var(--fc-list-today) !important;
}
.fc-list-event-title a {
    font-weight: 700 !important;
    color: var(--fc-list-color) !important;
    text-decoration: none !important;
}

/* FullCalendar Mobile */
@media (max-width: 639px) {
    .fc .fc-toolbar {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
        align-items: center;
        justify-content: space-between;
    }
    .fc .fc-toolbar-chunk:nth-child(2) {
        order: -1;
        width: 100%;
        text-align: center;
    }
    .fc .fc-toolbar-title { font-size: 0.95rem !important; }
    .fc .fc-toolbar-chunk:nth-child(1),
    .fc .fc-toolbar-chunk:nth-child(3) { flex: 1; }
    .fc .fc-toolbar-chunk:nth-child(3) { text-align: right; }
    .fc .fc-button-primary {
        padding: 0.25rem 0.5rem !important;
        font-size: 0.72rem !important;
        border-radius: 0.35rem !important;
    }
    .fc .fc-daygrid-day-number {
        font-size: 0.72rem;
        padding: 1px 3px !important;
    }
    .fc-event { font-size: 0.62rem !important; padding: 0 2px !important; }
    .fc-list-event td { padding: 8px 10px !important; }
    .fc-list-day-cushion {
        padding: 6px 10px !important;
        font-size: 0.8rem !important;
        font-weight: 700 !important;
        background-color: var(--fc-list-today) !important;
        color: var(--fc-list-color) !important;
    }
}