/* ==============================================
   WebGL Slider Styles
   ============================================== */

/* Slider Wrapper */
.slider-wrapper {
    position: relative;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    opacity: 0;
    transition: opacity 1s ease-in;
}

.slider-wrapper.loaded {
    opacity: 1;
}

/* WebGL Canvas */
.webgl-canvas {
    display: block;
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1;
}

/* Slide Numbers (Sides) */
.slide-number,
.slide-total {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    font-family: 'PPSupplyMono', monospace;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary, #F2F2F2);
    z-index: 10;
    letter-spacing: 1px;
    text-transform: uppercase;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
}

.slide-number {
    left: 2rem;
}

.slide-total {
    right: 2rem;
}

/* Help Text */
.help-text {
    position: fixed;
    top: 6rem;
    left: 2rem;
    font-family: 'PPSupplyMono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    color: var(--text-primary, rgba(242, 242, 242, 0.6));
    z-index: 10;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    border: 1px solid var(--glass-border);
}

/* ==============================================
   Content Overlays
   ============================================== */

#slide-content-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    pointer-events: none;
}

.slide-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
    padding: 6rem 2rem 2rem;
    overflow-y: auto;
}

.slide-content.active {
    display: flex;
    opacity: 1;
    pointer-events: auto;
}

.slide-content::-webkit-scrollbar {
    width: 8px;
}

.slide-content::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.slide-content::-webkit-scrollbar-thumb {
    background: rgba(66, 98, 140, 0.6);
    border-radius: 4px;
}

.slide-content::-webkit-scrollbar-thumb:hover {
    background: rgba(66, 98, 140, 0.8);
}

/* Content Overlay Containers */
.content-overlay-center {
    margin: auto;
    padding: 3rem;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    max-width: 90%;
    max-height: 85vh;
    overflow-y: auto;
}

.content-overlay-scroll {
    margin: auto;
    padding: 3rem;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
}

.content-overlay-center::-webkit-scrollbar,
.content-overlay-scroll::-webkit-scrollbar {
    width: 8px;
}

.content-overlay-center::-webkit-scrollbar-track,
.content-overlay-scroll::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
}

.content-overlay-center::-webkit-scrollbar-thumb,
.content-overlay-scroll::-webkit-scrollbar-thumb {
    background: rgba(66, 98, 140, 0.6);
    border-radius: 4px;
}

/* ==============================================
   Bottom Slides Navigation
   ============================================== */

.slides-navigation {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    right: 2rem;
    display: flex;
    gap: 0;
    z-index: 10;
    pointer-events: all;
}

.slide-nav-item {
    display: flex;
    flex-direction: column;
    cursor: pointer;
    padding: 1rem;
    flex: 1;
    border: none;
    background: none;
    transition: all 0.3s ease;
}

.slide-nav-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.slide-progress-line {
    width: 100%;
    height: 2px;
    background: rgba(255, 255, 255, 0.2);
    margin-bottom: 8px;
    border-radius: 1px;
    overflow: hidden;
}

.slide-progress-fill {
    height: 100%;
    width: 0%;
    background: var(--accent-primary, #42628C);
    transition: width 0.1s ease, opacity 0.3s ease;
    border-radius: 1px;
}

.slide-nav-item.active .slide-progress-fill {
    width: 100%;
}

.slide-nav-title {
    font-family: 'PPSupplyMono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: rgba(242, 242, 242, 0.6);
    font-weight: 600;
    transition: color 0.3s ease;
}

.slide-nav-item.active .slide-nav-title,
.slide-nav-item:hover .slide-nav-title {
    color: rgba(242, 242, 242, 1);
}

/* ==============================================
   Gradient Backgrounds (for each slide)
   ============================================== */

/* Slide 1: Home - Radial burst gradient */
.slider-wrapper::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0;
    transition: opacity 0.8s ease;
    pointer-events: none;
}

[data-slide="0"].active ~ .slider-wrapper::before,
body[data-current-slide="0"] .slider-wrapper::before {
    opacity: 1;
    background: radial-gradient(circle at 30% 50%, #42628C 0%, #1A2A40 50%, #0D0D0D 100%);
}

/* Slide 2: About - Diagonal gradient */
[data-slide="1"].active ~ .slider-wrapper::after,
body[data-current-slide="1"] .slider-wrapper::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 1;
    background: linear-gradient(135deg, #1A2A40 0%, #253C59 50%, #42628C 100%);
    pointer-events: none;
}

/* Slide 3: Projects - Mesh gradient */
body[data-current-slide="2"] .slider-wrapper {
    background:
        radial-gradient(at 20% 30%, #42628C 0px, transparent 50%),
        radial-gradient(at 80% 70%, #253C59 0px, transparent 50%),
        radial-gradient(at 50% 50%, #1A2A40 0px, transparent 50%),
        linear-gradient(180deg, #0D0D0D 0%, #1A2A40 100%);
}

/* Slide 4: Skills - Animated bars theme */
body[data-current-slide="3"] .slider-wrapper {
    background: linear-gradient(180deg, #0D0D0D 0%, #1A2A40 50%, #42628C 100%);
}

/* Slide 5: Contact - Soft glow gradient */
body[data-current-slide="4"] .slider-wrapper {
    background:
        radial-gradient(ellipse at top, #42628C 0%, transparent 70%),
        radial-gradient(ellipse at bottom, #1A2A40 0%, transparent 70%),
        #0D0D0D;
}

/* Slide 6: Future - Futuristic gradient with light rays */
body[data-current-slide="5"] .slider-wrapper {
    background:
        linear-gradient(45deg, transparent 30%, rgba(66, 98, 140, 0.3) 50%, transparent 70%),
        linear-gradient(135deg, #1A2A40 0%, #0D0D0D 100%);
}

/* ==============================================
   Responsive Styles
   ============================================== */

@media (max-width: 768px) {
    .help-text {
        top: 5.5rem;
        left: 1rem;
        font-size: 9px;
        padding: 0.4rem 0.75rem;
    }

    .slide-number {
        left: 1rem;
        font-size: 10px;
        padding: 0.5rem 0.75rem;
    }

    .slide-total {
        right: 1rem;
        font-size: 10px;
        padding: 0.5rem 0.75rem;
    }

    .slides-navigation {
        bottom: 1rem;
        left: 1rem;
        right: 1rem;
    }

    .slide-nav-item {
        padding: 0.75rem 0.5rem;
    }

    .slide-nav-title {
        font-size: 9px;
    }

    .content-overlay-center,
    .content-overlay-scroll {
        padding: 2rem 1.5rem;
        border-radius: 16px;
        max-height: 80vh;
    }

    .slide-content {
        padding: 5rem 1rem 1rem;
    }
}

@media (max-width: 480px) {
    .help-text {
        display: none;
    }

    .content-overlay-center,
    .content-overlay-scroll {
        padding: 1.5rem 1rem;
    }

    .slide-nav-item {
        padding: 0.5rem 0.25rem;
    }

    .slide-nav-title {
        font-size: 8px;
    }
}

/* ==============================================
   Dark Mode Adjustments
   ============================================== */

[data-theme="dark"] .slide-content {
    color: #F2F2F2;
}

[data-theme="dark"] .content-overlay-center,
[data-theme="dark"] .content-overlay-scroll {
    background: rgba(13, 13, 13, 0.4);
    border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .glass-card {
    background: rgba(26, 42, 64, 0.5);
    border-color: rgba(255, 255, 255, 0.1);
}

/* ==============================================
   Animations
   ============================================== */

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fadeIn {
    animation: fadeIn 0.6s ease-out forwards;
}

.animate-slideUp {
    animation: slideUp 0.6s ease-out forwards;
}

/* ==============================================
   Button Styles
   ============================================== */

.btn-primary {
    background: linear-gradient(135deg, #42628C 0%, #1A2A40 100%);
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 25px rgba(66, 98, 140, 0.4);
}

/* ==============================================
   Card Styles
   ============================================== */

.glass-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(66, 98, 140, 0.3);
    background: rgba(255, 255, 255, 0.15);
}

/* ==============================================
   Skill Bar Styles
   ============================================== */

.skill-bar {
    position: relative;
    height: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, #42628C 0%, #1A2A40 100%);
    border-radius: 10px;
    transition: width 1.5s ease-out;
}

/* ==============================================
   Navigation Active States
   ============================================== */

.nav-link.active {
    color: #42628C !important;
    border-bottom: 2px solid #42628C;
}

/* ==============================================
   Loading State
   ============================================== */

.loading-pulse {
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* ==============================================
   Utilities
   ============================================== */

.pointer-events-auto {
    pointer-events: auto !important;
}

.pointer-events-none {
    pointer-events: none !important;
}