/* Custom Styles */
:root {
    --bg-light: rgba(255, 255, 255, 0.7);
    --transition-speed: 0.3s;
}

[data-theme="dark"] {
    --bg-light: rgba(0, 0, 0, 0.5);
}

* {
    transition: background-color var(--transition-speed) ease, 
                color var(--transition-speed) ease,
                border-color var(--transition-speed) ease;
}

body, html {
    height: 100%;
    margin: 0;
    overflow-x: hidden;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

#app {
    min-height: 100vh;
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.slider {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center 0px;
    z-index: -1;
    transition: background-image 1s ease-in-out;
    background-attachment: fixed;
    will-change: background-position, transform;
}

@media (prefers-reduced-motion: reduce) {
  .slider {
    background-attachment: scroll;
  }
}

.content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding-top: 15%;
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    opacity: 1;
    transform: translateY(0);
}

.content.loading {
    opacity: 0;
    transform: translateY(20px);
}

.navbar-light .navbar-toggler-icon,
.navbar-dark .navbar-toggler-icon {
    background-image: none !important;
}

.navbar-toggler {
    border: none;
    transition: color 0.3s ease;
}

.navbar-light .navbar-toggler {
    color: #212529;
}

.navbar-dark .navbar-toggler {
    color: #ffffff;
}

.navbar-toggler .navbar-toggler-icon {
    position: relative;
    width: 1.5rem;
    height: 1.5rem;
}

.navbar-toggler .navbar-toggler-icon::before,
.navbar-toggler .navbar-toggler-icon::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    height: 2px;
    background-color: currentColor;
    transition: transform 0.3s ease, opacity 0.3s ease;
    transform-origin: center;
}

.navbar-toggler[aria-expanded="false"] .navbar-toggler-icon::before {
    transform: translateY(-4px);
}

.navbar-toggler[aria-expanded="false"] .navbar-toggler-icon::after {
    transform: translateY(4px);
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::before {
    transform: rotate(45deg);
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::after {
    transform: rotate(-45deg);
}

.content-light {
    color: #333;
    background-color: rgba(255, 255, 255, 0.8);
}

.content-dark {
    color: #fff;
    background-color: rgba(0, 0, 0, 0.6);
}

#fitur {
    transition: all 0.3s ease;
}

.fitur-light {
    background-color: rgba(255, 255, 255, 0.8);
    color: #333;
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.fitur-dark {
    background-color: rgba(33, 37, 41, 0.6);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

#features .card {
    background-color: rgba(255, 255, 255, 0.8);
}

body.light-mode {
    background-color: #f8f9fa;
    color: #212529;
}

body.dark-mode {
    background-color: #121212;
    color: #ffffff;
}

body.dark-mode .bg-light {
    background-color: #333333 !important;
}

body.dark-mode .navbar {
    background-color: #212529 !important;
}

body.light-mode .card {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    color: #212529;
    border: 1px solid rgba(0,0,0,0.1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

body.dark-mode .card {
    background: linear-gradient(135deg, #424242 0%, #343a40 100%);
    color: #ffffff;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

body.light-mode .card:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

body.dark-mode .card:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
    transform: translateY(-2px);
}

/* Card titles and text enhancement */
.card-title {
    font-weight: 600;
    margin-bottom: 1rem;
    transition: color 0.3s ease;
    font-size: 1.25rem;
}

body.light-mode .card-title {
    color: #2c3e50;
}

body.dark-mode .card-title {
    color: #ecf0f1;
}

.card-text {
    line-height: 1.6;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

body.light-mode .card-text {
    color: #5a6c7d;
}

body.dark-mode .card-text {
    color: #bdc3c7;
}

/* Card body enhancement */
.card-body {
    padding: 2rem;
    position: relative;
    z-index: 1;
}

.card-body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 100%);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

body.light-mode .card-body::before {
    background: linear-gradient(135deg, rgba(0,0,0,0.02) 0%, transparent 100%);
}

body.dark-mode .card-body::before {
    background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, transparent 100%);
}

.card:hover .card-body::before {
    opacity: 1;
}

body.dark-mode .form-check-label {
    color: #ffffff;
}

/* Enhanced Loading Animation */
.loading-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #81cced 0%, #81cced 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.4s ease, transform 0.4s ease;
    opacity: 1;
    transform: scale(1);
    will-change: opacity, transform;
}

/* Enhanced Theme Switch */
.form-switch .form-check-input {
    cursor: pointer;
    transition: all 0.3s ease;
    transform: scale(1);
    position: relative;
}

/* Enhanced Fitur Section */
#fitur {
    padding: 4rem 0;
    margin-top: 3rem;
    margin-bottom: 3rem;
    border-radius: 1rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

#fitur::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.1) 100%);
    pointer-events: none;
    z-index: 1;
}

.fitur-dark::before {
    background: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.05) 100%);
}

#fitur .row {
    position: relative;
    z-index: 2;
}

#fitur h2 {
    margin-bottom: 3rem !important;
    font-weight: 700;
    font-size: 2.5rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

/* Enhanced h2 styling with higher specificity */
.fitur-light #fitur h2.text-dark,
.fitur-light #fitur h2 {
    color: #2c3e50 !important;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1) !important;
}

.fitur-dark #fitur h2.text-white,
.fitur-dark #fitur h2 {
    color: #ecf0f1 !important;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3) !important;
}

/* Force h2 color inheritance with maximum specificity */
#fitur h2 {
    color: inherit !important;
}

/* Smooth transitions for theme changes */
body, .navbar, .content, #fitur, .card, .form-check-label {
    transition: background-color 0.4s ease, color 0.4s ease, border-color 0.4s ease;
}

.form-switch .form-check-input:hover {
    transform: scale(1.1);
    box-shadow: 0 0 10px rgba(13, 110, 253, 0.3);
}

.form-switch .form-check-input:focus {
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.form-switch .form-check-input:checked {
    background-color: #0d6efd;
    border-color: #0d6efd;
}

.form-switch .form-check-label {
    cursor: pointer;
    user-select: none;
    transition: all 0.3s ease;
}

.form-switch .form-check-label i {
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.form-switch .form-check-input:checked ~ .form-check-label i {
    color: #ffd700;
    transform: rotate(180deg);
}

/* Dark mode switch enhancement */
[data-theme="dark"] .form-switch .form-check-input {
    background-color: #495057;
    border-color: #6c757d;
}

[data-theme="dark"] .form-switch .form-check-input:checked {
    background-color: #ffd700;
    border-color: #ffd700;
}

/* Switch animation */
.form-switch .form-check-input::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.form-switch .form-check-input:active::before {
    opacity: 1;
}

.loading-container.hidden {
    opacity: 0;
    transform: scale(0.9);
    pointer-events: none;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid #ffffff;
    border-radius: 50%;
    animation: spin 1s linear infinite, pulse 2s ease-in-out infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.loading-text {
    color: white;
    margin-top: 20px;
    font-size: 18px;
    font-weight: 300;
    letter-spacing: 2px;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.spinner>div {
    background-color: #fff;
    height: 100%;
    width: 3px;
    display: inline-block;
    -webkit-animation: sk-stretchdelay 1.2s infinite ease-in-out;
    animation: sk-stretchdelay 1.2s infinite ease-in-out;
}

.spinner .rect2 {
    -webkit-animation-delay: -1.1s;
    animation-delay: -1.1s;
}

.spinner .rect3 {
    -webkit-animation-delay: -1.0s;
    animation-delay: -1.0s;
}

.spinner .rect4 {
    -webkit-animation-delay: -0.9s;
    animation-delay: -0.9s;
}

.spinner .rect5 {
    -webkit-animation-delay: -0.8s;
    animation-delay: -0.8s;
}