/* ═══════════════════════════════════════════════════════════════
   MALIBAN BISCUITS PUZZLE – LIGHT THEME STYLESHEET
   Colors:
     - Primary Red: #C8111A
     - Accent Gold: #F5A800
     - Background White: #FFFFFF
     - Text Dark: #1A1A1A
     - Alternating Gray: #F7F7F7
   Typography:
     - Font family: Poppins, sans-serif
   ═══════════════════════════════════════════════════════════════ */

/* ─── CUSTOM VARIABLES ─── */
:root {
    --primary: #C8111A;
    --primary-hover: #A50E15;
    --accent: #F5A800;
    --accent-hover: #D49000;
    --bg-white: #FFFFFF;
    --bg-gray: #F7F7F7;
    --text-dark: #1A1A1A;
    --text-muted: #666666;
    --border-color: #E5E5E5;

    --font-family: 'Poppins', sans-serif;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.12);

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --transition: all 0.3s var(--ease-out);
}

/* ─── RESET & BASICS ─── */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-white);
    color: var(--text-dark);
    line-height: 1.6;
    font-weight: 400;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ─── SECTION STYLING ─── */
section {
    padding: 90px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 56px;
}

.section-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary);
    background-color: rgba(200, 17, 26, 0.06);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--text-dark);
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-desc {
    font-size: 1rem;
    color: var(--text-muted);
}

/* ─── BUTTONS ─── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-family);
    font-weight: 500;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    white-space: nowrap;
}

.btn--primary {
    background-color: var(--primary);
    color: #FFFFFF;
}

.btn--primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(200, 17, 26, 0.2);
}

.btn--outline {
    background-color: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

.btn--outline:hover {
    background-color: var(--primary);
    color: #FFFFFF;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(200, 17, 26, 0.15);
}

.btn--lg {
    padding: 16px 36px;
    font-size: 1rem;
}

.btn--sm {
    padding: 10px 24px;
    font-size: 0.85rem;
}

.btn__icon {
    font-size: 1rem;
}

/* ═══════════════════════════════════════════════════════════════
   STICKY NAVBAR
   ═══════════════════════════════════════════════════════════════ --}} */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.navbar__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar__brand {
    display: flex;
    align-items: center;
    gap: 8px;
}

.navbar__logo-icon {
    font-size: 1.8rem;
}

.navbar__logo-text {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-dark);
}

.navbar__logo-accent {
    color: var(--primary);
}

.navbar__links {
    display: flex;
    align-items: center;
    gap: 8px;
    height: 100%;
}

.navbar__links>li {
    height: 100%;
    display: flex;
    align-items: center;
}

.navbar__link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-dark);
    padding: 8px 18px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    gap: 6px;
}

.navbar__link:hover,
.navbar__link--active {
    color: var(--primary);
    background-color: rgba(200, 17, 26, 0.05);
}

.navbar__caret {
    font-size: 0.65rem;
    transition: transform 0.3s;
}

.navbar__dropdown-trigger:hover .navbar__caret {
    transform: rotate(180deg);
}

/* Mega Dropdown Panel */
.navbar__dropdown-trigger {
    position: relative;
}

.mega-menu {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    width: 100%;
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s var(--ease-out);
    z-index: 999;
}

.navbar__dropdown-trigger:hover .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mega-menu__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 24px;
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 48px;
}

.mega-menu__info {
    border-right: 1px solid var(--border-color);
    padding-right: 40px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.mega-menu__badge {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.mega-menu__title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
    line-height: 1.3;
}

.mega-menu__desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.5;
}

.mega-menu__cta {
    margin-top: auto;
}

.mega-menu__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.mega-menu__item {
    background-color: var(--bg-gray);
    border-radius: var(--radius-md);
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    border: 1px solid transparent;
}

.mega-menu__item:hover {
    border-color: rgba(200, 17, 26, 0.15);
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    transform: translateY(-3px);
}

.mega-menu__thumb {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.mega-menu__meta {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.mega-menu__item-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-dark);
}

.mega-menu__item-tag {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ═══════════════════════════════════════════════════════════════
   FULL-BLEED HERO
   ═══════════════════════════════════════════════════════════════ */
.hero {
    position: relative;
    height: 100vh;
    min-height: 650px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    text-align: center;
    overflow: hidden;
    padding: 0;
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero__bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.03);
    animation: zoomBg 20s infinite alternate ease-in-out;
}

.hero__bg-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0.7) 100%);
}

.hero__particles {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

.hero__particle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.3;
    animation: floatParticle 8s infinite linear;
}

.hero__content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 24px;
    margin-top: 50px;
}

.hero__eyebrow {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--accent);
    margin-bottom: 16px;
}

.hero__title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero__title-accent {
    color: var(--accent);
}

.hero__subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 36px;
    line-height: 1.6;
}

.hero__actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.hero__scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    opacity: 0.7;
    transition: var(--transition);
}

.hero__scroll-indicator:hover {
    opacity: 1;
    color: var(--accent);
}

.hero__scroll-arrow {
    width: 20px;
    height: 20px;
    border-bottom: 2px solid #FFFFFF;
    border-right: 2px solid #FFFFFF;
    transform: rotate(45deg);
    animation: bounceIndicator 2s infinite ease-in-out;
}

/* ═══════════════════════════════════════════════════════════════
   PRODUCT CATEGORIES (4-COLUMN GRID) - WHITE SECTION
   ═══════════════════════════════════════════════════════════════ */
.product-categories {
    background-color: var(--bg-white);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.biscuit-card {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.biscuit-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
    border-color: rgba(200, 17, 26, 0.15);
}

.biscuit-card__img-wrapper {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.biscuit-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.biscuit-card:hover .biscuit-card__img {
    transform: scale(1.06);
}

.biscuit-card__badge {
    position: absolute;
    bottom: 12px;
    left: 12px;
    font-size: 0.7rem;
    font-weight: 600;
    color: #FFFFFF;
    padding: 4px 12px;
    border-radius: var(--radius-full);
}

.biscuit-card__badge--red {
    background-color: #C8111A;
}

.biscuit-card__badge--gold {
    background-color: #F5A800;
    color: #1A1A1A;
}

.biscuit-card__badge--purple {
    background-color: #5D2E8C;
}

.biscuit-card__badge--blue {
    background-color: #0077C2;
}

.biscuit-card__content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.biscuit-card__title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.biscuit-card__desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.5;
    flex-grow: 1;
}

.biscuit-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
}

.biscuit-card__difficulty {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 6px;
}

.difficulty-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.difficulty-dot--easy {
    background-color: #2ECC71;
}

.difficulty-dot--medium {
    background-color: #F1C40F;
}

.difficulty-dot--hard {
    background-color: #E74C3C;
}

/* ═══════════════════════════════════════════════════════════════
   IMAGE SLIDER SECTION - GRAY SECTION
   ═══════════════════════════════════════════════════════════════ */
.slider-section {
    background-color: var(--bg-gray);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.slider {
    position: relative;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.slider__track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.slider__slide {
    flex: 0 0 100%;
    width: 100%;
}

.slider__slide-card {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
    background-color: #000;
}

.slider__slide-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slider__slide-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.4) 60%, transparent 100%);
    color: #FFFFFF;
    padding: 32px 40px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.slider__slide-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: #FFFFFF;
}

.slider__slide-desc {
    font-size: 0.95rem;
    opacity: 0.85;
    max-width: 600px;
}

.slider__btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--border-color);
    color: var(--text-dark);
    font-size: 0.9rem;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    z-index: 10;
}

.slider__btn:hover {
    background-color: var(--primary);
    color: #FFFFFF;
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.slider__btn--prev {
    left: 16px;
}

.slider__btn--next {
    right: 16px;
}

.slider__dots {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.slider__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.4);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.slider__dot--active {
    width: 24px;
    border-radius: var(--radius-full);
    background-color: var(--accent);
}

/* ─── HOW TO PLAY - WHITE SECTION ─── */
.how-to-play {
    background-color: var(--bg-white);
}

.how-to-play__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 50px;
}

.how-to-play__step {
    background-color: var(--bg-gray);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    text-align: center;
    position: relative;
    transition: var(--transition);
}

.how-to-play__step:hover {
    transform: translateY(-4px);
    border-color: rgba(200, 17, 26, 0.1);
    box-shadow: var(--shadow-sm);
}

.how-to-play__step-num {
    width: 44px;
    height: 44px;
    background-color: var(--primary);
    color: #FFFFFF;
    font-weight: 700;
    font-size: 1.1rem;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.how-to-play__step-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.how-to-play__step-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.how-to-play__actions {
    text-align: center;
}

/* ═══════════════════════════════════════════════════════════════
   FOOTER - DARK
   ═══════════════════════════════════════════════════════════════ */
.footer {
    background-color: var(--text-dark);
    color: #FFFFFF;
    padding: 60px 0 40px;
}

.footer__top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
    margin-bottom: 40px;
}

.footer__brand {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.footer__logo-icon {
    font-size: 1.6rem;
}

.footer__logo-text {
    font-size: 1.3rem;
    font-weight: 700;
}

.footer__logo-accent {
    color: var(--accent);
}

.footer__pitch {
    font-size: 0.9rem;
    opacity: 0.7;
    max-width: 450px;
    line-height: 1.6;
}

.footer__divider {
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 30px;
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer__copy {
    font-size: 0.8rem;
    opacity: 0.5;
}

.footer__links {
    display: flex;
    gap: 24px;
}

.footer__links a {
    font-size: 0.85rem;
    opacity: 0.7;
}

.footer__links a:hover {
    color: var(--accent);
    opacity: 1;
}

/* ─── ANIMATIONS ─── */
@keyframes zoomBg {
    0% {
        transform: scale(1.02);
    }

    100% {
        transform: scale(1.08);
    }
}

@keyframes bounceIndicator {

    0%,
    100% {
        transform: rotate(45deg) translateY(0);
    }

    50% {
        transform: rotate(45deg) translateY(6px);
    }
}

@keyframes floatParticle {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 0;
    }

    10% {
        opacity: 0.3;
    }

    90% {
        opacity: 0.3;
    }

    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .mega-menu__container {
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 24px;
    }

    .mega-menu__info {
        border-right: none;
        padding-right: 0;
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 20px;
    }

    .mega-menu__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {

    .navbar__links,
    .navbar__actions {
        display: none;
    }

    .hero {
        min-height: 540px;
    }

    .hero__content {
        margin-top: 36px;
    }

    .hero__eyebrow {
        margin-bottom: 8px;
        font-size: 0.8rem;
    }

    .hero__title {
        font-size: 2.0rem;
        margin-bottom: 12px;
    }

    .hero__subtitle {
        font-size: 0.95rem;
        margin-bottom: 24px;
        padding: 0 10px;
    }

    .hero__actions {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
        gap: 12px;
    }

    .hero__actions .btn {
        width: 100%;
        padding: 12px 24px;
        font-size: 0.95rem;
    }

    .hero__scroll-indicator {
        bottom: 15px;
    }

    .how-to-play__grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .footer__top {
        flex-direction: column;
        gap: 24px;
    }
}

@media (max-width: 480px) {
    .hero__scroll-indicator {
        display: none !important;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }

    .slider__slide-info {
        padding: 20px;
    }

    .slider__slide-title {
        font-size: 1.2rem;
    }

    .slider__slide-desc {
        font-size: 0.8rem;
    }

    .slider__btn {
        width: 36px;
        height: 36px;
        font-size: 0.8rem;
    }

    /* Auth Page & Registration Responsive Styling */
    .auth-page, .select-category-page {
        padding: 30px 16px;
    }

    .auth-card {
        padding: 24px 20px;
        border-radius: var(--radius-md);
    }

    .auth-card__title {
        font-size: 1.35rem;
    }

    .auth-card__header {
        margin-bottom: 20px;
    }

    .auth-form {
        gap: 16px;
    }

    .form-control {
        padding: 12px 20px;
        font-size: 0.85rem;
    }

    .btn--lg {
        padding: 12px 24px;
        font-size: 0.95rem;
    }

    .alert {
        padding: 12px;
        margin-bottom: 16px;
    }
}

/* ═══════════════════════════════════════════════════════════════
   PREMIUM HAND-CRAFTED PRELOADER & CURTAIN REVEAL
   ═══════════════════════════════════════════════════════════════ */
.loader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #fafafa;
    overflow: hidden;
    transition: transform 0.85s cubic-bezier(0.85, 0, 0.15, 1);
}

/* Background Ambient Glow */
.loader__bg-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(245, 168, 0, 0.05) 0%, rgba(250, 250, 250, 1) 85%);
    z-index: 1;
}

/* Floating background particles */
.loader__particles {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
}

.loader__particle {
    position: absolute;
    border-radius: 50%;
    opacity: 0;
    animation: loaderParticleFloat 5s infinite linear;
}

.loader__inner {
    position: relative;
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
    padding: 24px;
    max-width: 600px;
    width: 100%;
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.loader__inner--fade-out {
    opacity: 0;
    transform: scale(0.96);
}

/* Typography Header Elements */
.loader__logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
    font-family: var(--font-family);
    letter-spacing: -1px;
    line-height: 1;
    margin-bottom: -4px;
    animation: loaderFadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.loader__meta {
    font-size: 0.65rem;
    font-weight: 600;
    color: rgba(26, 26, 26, 0.5);
    text-transform: uppercase;
    letter-spacing: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    animation: loaderFadeIn 0.8s 0.1s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.loader__separator {
    color: var(--primary);
}

/* Gallery-Style Offset Border Photo Frame */
.loader__img-frame {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.08);
    animation: loaderFrameEntry 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.loader__img-frame::after {
    content: '';
    position: absolute;
    inset: -8px;
    border: 1px solid rgba(200, 17, 26, 0.12);
    border-radius: 6px;
    pointer-events: none;
    z-index: -1;
    animation: loaderFrameEntry 1.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.loader__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    animation: loaderKenBurns 12s ease-in-out infinite alternate;
}

.loader__img-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(250, 250, 250, 0.25) 0%, transparent 60%);
    pointer-events: none;
}

/* Integrated Progress Section */
.loader__progress-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 4px;
}

.loader__progress-info {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    animation: loaderFadeIn 0.8s 0.3s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.loader__text {
    font-size: 0.7rem;
    font-weight: 500;
    color: rgba(26, 26, 26, 0.55);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.loader__percentage-wrapper {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary);
    font-family: var(--font-family);
}

.loader__percentage {
    font-variant-numeric: tabular-nums;
}

.loader__percentage-symbol {
    font-size: 0.85rem;
    opacity: 0.8;
    margin-left: 1px;
}

.loader__progress-track {
    width: 100%;
    height: 2px;
    background-color: rgba(0, 0, 0, 0.05);
    border-radius: var(--radius-full);
    overflow: hidden;
    animation: loaderFadeIn 0.8s 0.4s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.loader__progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
    box-shadow: 0 0 8px rgba(200, 17, 26, 0.2);
    border-radius: var(--radius-full);
    transition: width 0.25s cubic-bezier(0.1, 0.8, 0.1, 1);
}

/* Interactive Storytelling Facts/Tips Box */
.loader__hint-box {
    width: 100%;
    text-align: center;
    padding: 16px 20px;
    background-color: rgba(0, 0, 0, 0.015);
    border: 1px solid rgba(0, 0, 0, 0.03);
    border-radius: 6px;
    margin-top: 8px;
    animation: loaderFadeIn 0.8s 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.loader__hint-label {
    display: inline-block;
    font-size: 0.6rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 6px;
}

.loader__hint-text {
    font-size: 0.8rem;
    font-weight: 400;
    color: rgba(26, 26, 26, 0.7);
    line-height: 1.5;
    min-height: 40px;
    transition: opacity 0.35s ease;
}

/* Staggered Curtain Slide Panels */
.loader-curtain {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    transform: translateY(0);
    z-index: 9998;
    pointer-events: none;
    transition: transform 0.85s cubic-bezier(0.85, 0, 0.15, 1);
}

.loader-curtain--gold {
    background-color: var(--accent);
    z-index: 9998;
    transition-delay: 0.08s;
}

.loader-curtain--red {
    background-color: var(--primary);
    z-index: 9997;
    transition-delay: 0.16s;
}

.loader--slide-up {
    transform: translateY(-100%);
}

.loader-curtain.curtain--slide-up {
    transform: translateY(-100%);
}

/* Animations Keyframes */
@keyframes loaderFrameEntry {
    0% {
        opacity: 0;
        transform: scale(0.95) translateY(25px);
    }

    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes loaderKenBurns {
    0% {
        transform: scale(1.04) translate(0, 0);
    }

    100% {
        transform: scale(1.12) translate(-0.8%, -0.8%);
    }
}

@keyframes loaderFadeIn {
    0% {
        opacity: 0;
        transform: translateY(8px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes loaderParticleFloat {
    0% {
        transform: translateY(100vh) scale(0.3);
        opacity: 0;
    }

    10% {
        opacity: 0.3;
    }

    90% {
        opacity: 0.3;
    }

    100% {
        transform: translateY(-100px) scale(1.1);
        opacity: 0;
    }
}

/* ═══════════════════════════════════════════════════════════════
   COORDINATED HERO SECTION REVEAL
   ═══════════════════════════════════════════════════════════════ */
/* Hide elements for staggered entrance */
.navbar {
    transform: translateY(-100%);
    opacity: 0;
    transition: transform 0.9s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.9s ease, height 0.3s ease;
}

.hero__eyebrow,
.hero__title,
.hero__subtitle,
.hero__actions,
.hero__scroll-indicator {
    opacity: 0;
    transform: translateY(35px);
    transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Entrance transitions when page-loaded is applied */
body.page-loaded .navbar {
    transform: translateY(0);
    opacity: 1;
}

body.page-loaded .hero__eyebrow {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.4s;
}

body.page-loaded .hero__title {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.5s;
}

body.page-loaded .hero__subtitle {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.6s;
}

body.page-loaded .hero__actions {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.7s;
}

body.page-loaded .hero__scroll-indicator {
    opacity: 0.7;
    transform: translateX(-50%) translateY(0);
    transition-delay: 0.9s;
}

.hero__scroll-indicator {
    left: 50%;
    transform: translateX(-50%) translateY(35px);
}

/* ═══════════════════════════════════════════════════════════════
   NAVBAR SCROLL STYLE
   ═══════════════════════════════════════════════════════════════ */
.navbar.navbar--scrolled {
    height: 64px;
    background-color: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.navbar.navbar--scrolled .navbar__container {
    height: 64px;
}

/* ═══════════════════════════════════════════════════════════════
   REGISTRATION PAGE & AUTH CARD
   ═══════════════════════════════════════════════════════════════ */
.auth-page {
    position: relative;
    min-height: calc(100vh - 76px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 24px;
    overflow: hidden;
}

.auth-page__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.auth-page__bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.03);
    animation: zoomBg 20s infinite alternate ease-in-out;
}

.auth-page__bg-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.55) 0%, rgba(0, 0, 0, 0.8) 100%);
}

.auth-card {
    position: relative;
    z-index: 1;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
    width: 100%;
    max-width: 480px;
    padding: 40px;
    animation: authFadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.auth-card__header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-card__badge {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--primary);
    background-color: rgba(200, 17, 26, 0.05);
    border: 1px solid rgba(200, 17, 26, 0.1);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 12px;
}

.auth-card__title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.auth-card__subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.form-input-icon {
    position: absolute;
    left: 16px;
    font-size: 1rem;
    color: var(--text-muted);
    pointer-events: none;
    transition: var(--transition);
}

.form-control {
    width: 100%;
    padding: 14px 24px;
    font-family: var(--font-family);
    font-size: 0.9rem;
    color: var(--text-dark);
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    outline: none;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(200, 17, 26, 0.1);
}

.form-control:focus+.form-input-icon {
    color: var(--primary);
}

.form-control.is-invalid {
    border-color: #E74C3C;
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

.invalid-feedback {
    font-size: 0.75rem;
    color: #E74C3C;
    margin-top: 4px;
    padding-left: 12px;
}

.alert {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    font-size: 0.85rem;
}

.alert--danger {
    background-color: #FDEDEC;
    border: 1px solid #FADBD8;
    color: #C0392B;
}

.alert__list {
    margin: 0;
    padding-left: 20px;
    line-height: 1.5;
}

.auth-card__footer {
    text-align: center;
    margin-top: 24px;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

.auth-card__back {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.auth-card__back:hover {
    color: var(--primary);
}

/* User Info Styling in Navbar */
.navbar__user-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.navbar__welcome-text {
    font-size: 0.85rem;
    color: var(--text-dark);
}

.navbar__logout-btn {
    border-color: rgba(200, 17, 26, 0.2);
}

.navbar__logout-btn:hover {
    background-color: var(--primary);
    border-color: var(--primary);
    color: #FFFFFF;
}

/* Utility Helper */
.w-full {
    width: 100%;
}

.mt-4 {
    margin-top: 16px;
}

@keyframes authFadeIn {
    0% {
        opacity: 0;
        transform: translateY(15px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Category Selection Page Layout */
.select-category-page {
    min-height: calc(100vh - 76px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 24px;
}

.category-card-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    animation: authFadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.biscuit-card.select-card {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.biscuit-card.select-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.4);
}

/* ═══════════════════════════════════════════════════════════════
   PUZZLE GAME LAYOUT
   ═══════════════════════════════════════════════════════════════ */
:root {
    --piece-size: 100px;
    --board-gap: 2px;
}

@media (max-width: 768px) {
    :root {
        --piece-size: 80px;
    }
}

@media (max-width: 550px) {
    :root {
        --piece-size: 60px;
    }
}

.puzzle-game-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px;
}

.puzzle-game {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Header & Meta Panel */
.puzzle-game__header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.puzzle-game__meta {
    flex: 1;
    min-width: 250px;
}

.puzzle-game__badge {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--primary);
    background-color: rgba(200, 17, 26, 0.05);
    border: 1px solid rgba(200, 17, 26, 0.1);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 8px;
}

.puzzle-game__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
}

.puzzle-game__stats {
    display: flex;
    gap: 16px;
}

.stat-card {
    background-color: #F7F7F7;
    border: 1px solid var(--border-color);
    padding: 10px 20px;
    border-radius: 12px;
    min-width: 90px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-card__label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    font-weight: 600;
}

.stat-card__val {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-dark);
    font-family: var(--font-family);
}

.puzzle-game__controls {
    display: flex;
    align-items: center;
    gap: 20px;
}

.preview-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-dark);
    font-weight: 500;
    user-select: none;
}

.preview-toggle input {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
    cursor: pointer;
}

/* Primary Game Layout Areas */
.puzzle-board-container {
    display: flex;
    gap: 30px;
    justify-content: center;
    align-items: flex-start;
    flex-wrap: wrap;
}

/* Left Board: Target Slots Grid */
.puzzle-grid {
    display: grid;
    grid-template-columns: repeat(5, var(--piece-size));
    grid-template-rows: repeat(5, var(--piece-size));
    gap: var(--board-gap);
    background-color: rgba(255, 255, 255, 0.15);
    border: 3px solid rgba(255, 255, 255, 0.4);
    border-radius: 16px;
    padding: 6px;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    position: relative;
    background-size: cover;
    background-position: center;
    transition: background-image 0.3s ease;
}

.puzzle-grid::before {
    content: '';
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.85); /* Faint guide backdrop overlay */
    z-index: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.puzzle-grid.puzzle-grid--show-preview::before {
    opacity: 0.82; /* Makes image visible behind slot grid */
}

/* Slots and pieces */
.puzzle-slot {
    width: var(--piece-size);
    height: var(--piece-size);
    border: 1px dashed rgba(255, 255, 255, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
    transition: border-color 0.2s ease;
}

.puzzle-slot:hover {
    border-color: rgba(255, 255, 255, 0.6);
}

.puzzle-piece {
    width: var(--piece-size);
    height: var(--piece-size);
    background-size: calc(var(--piece-size) * 5) calc(var(--piece-size) * 5);
    background-repeat: no-repeat;
    border-radius: 4px;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.15), 0 3px 6px rgba(0,0,0,0.16);
    cursor: grab;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.puzzle-piece:active {
    cursor: grabbing;
    transform: scale(0.96);
}

/* Right Pool: Shuffled Pieces Items Container */
.puzzle-pool-wrapper {
    flex: 1;
    min-width: 320px;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.3);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-height: calc((var(--piece-size) * 5) + 60px);
    overflow: hidden;
}

.puzzle-pool-header {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-dark);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.puzzle-pool {
    display: grid;
    grid-template-columns: repeat(auto-fill, var(--piece-size));
    gap: 12px;
    overflow-y: auto;
    flex: 1;
    padding-right: 4px;
    min-height: 250px;
}

.puzzle-piece-container {
    width: var(--piece-size);
    height: var(--piece-size);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(0,0,0,0.06);
    background-color: #FAFAFA;
    border-radius: 8px;
    transition: background-color 0.2s ease;
}

.puzzle-piece-container:hover {
    background-color: #F0F0F0;
}

.pool-empty-state {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    padding: 40px 20px;
    line-height: 1.5;
}

/* Victory Overlay Celebration Modal */
.victory-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background-color: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.victory-card {
    background-color: #FFFFFF;
    border-radius: 20px;
    padding: 40px;
    max-width: 450px;
    width: 100%;
    text-align: center;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
    animation: authFadeIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.victory-card__trophy {
    font-size: 4rem;
    margin-bottom: 20px;
    display: inline-block;
    animation: bounceTrophy 1s infinite alternate;
}

.victory-card__title {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.victory-card__desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 24px;
}

.victory-card__results {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 30px;
}

.result-metric {
    background-color: #F7F7F7;
    border: 1px solid var(--border-color);
    padding: 12px 20px;
    border-radius: 12px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.result-metric__label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    font-weight: 600;
}

.result-metric__val {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary);
}

.victory-card__actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

@keyframes bounceTrophy {
    0% { transform: translateY(0) scale(1); }
    100% { transform: translateY(-10px) scale(1.05); }
}