html,
body {
    margin: 0;
    padding: 0;
    width: 100%;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-image: url('assets/bg.jpeg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    color: white;
    text-align: center;
    overflow-x: hidden;
    box-sizing: border-box;
    min-height: 100vh;
}

#dashboard-layout {
    display: flex;
    width: 100vw;
    min-height: 100vh;
    background-color: rgba(0, 0, 0, 0.5);
    position: relative;
}

.main-content {
    position: relative;
    min-height: 100vh;
    width: 100%;
    padding: 1rem;
    overflow-y: auto;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    transition: filter 0.3s cubic-bezier(.4, 0, .2, 1);
    box-sizing: border-box;
}

.page-section {
    display: none;
    max-width: 800px;
    width: 100%;
    text-align: center;
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.page-section.active {
    display: block;
    animation: fadeIn 0.6s ease;
}

#sidebar-open-btn {
    position: fixed;
    top: 24px;
    left: 24px;
    z-index: 1100;
    background: rgba(0, 139, 139, 0.95);
    border: none;
    border-radius: 8px;
    padding: 10px 14px;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    color: #FFFFFF;
    font-size: 2rem;
    display: none;
}

#school-logo-container {
    position: fixed;
    top: 16px;
    right: 20px;
    z-index: 1100;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 10px;
    padding: 6px 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
    pointer-events: none;
}

#school-logo {
    height: 48px;
    width: auto;
    object-fit: contain;
    display: block;
}

.sidebar {
    position: fixed;
    top: 0;
    left: -225px;
    height: 100vh;
    width: 225px;
    background-color: #008B8B;
    display: flex;
    flex-direction: column;
    padding-top: 30px;
    box-shadow: 4px 0 15px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    transition: left 0.3s cubic-bezier(.4, 0, .2, 1);
}

.sidebar.active {
    left: 0;
}

.logo-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.logo-img {
    width: 60px;
    height: 60px;
    object-fit: contain;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: block;
    margin: 20px auto;
}

.sidebar #btn {
    position: absolute;
    color: white;
    top: .4rem;
    left: 50%;
    font-size: 1.2rem;
    line-height: 50px;
    transform: translateX(-50%);
    cursor: pointer;
}

.sidebar.active #btn {
    left: 90%;
}

.sidebar .top .logo {
    color: white;
    display: flex;
    align-items: center;
    height: 50px;
    width: 100%;
    pointer-events: none;
    opacity: 0;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
}

.sidebar.active .top .logo {
    opacity: 1;
    transition: opacity 0.3s ease 0.2s;
}

.sidebar p {
    opacity: 0;
}

.sidebar.active p {
    opacity: 1;
    transition: opacity 0.3s ease 0.4s;
}

.sidebar ul li {
    position: relative;
    list-style-type: none;
    height: 50px;
    width: 90%;
    margin: 0.8rem auto;
    line-height: 50px;
}

.sidebar ul li a {
    color: white;
    display: flex;
    align-items: center;
    text-decoration: none;
    border-radius: 0.8rem;
}

.sidebar ul li a:hover {
    background-color: rgba(255, 255, 255, 0.2);
    color: #ffd700;
}

.sidebar ul li a i {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 50px;
    text-align: center;
    height: 50px;
    border-radius: 12px;
    line-height: 50px;
}

.sidebar .nav-item {
    opacity: 0;
}

.sidebar.active .nav-item {
    opacity: 1;
    transition: opacity 0.3s ease 0.5s;
}

.sidebar ul li .tooltip {
    position: absolute;
    left: 125px;
    top: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0.5rem 0.8rem rgba(0, 0, 0, 0.3);
    border-radius: .6rem;
    padding: .4rem 1.2rem;
    line-height: 1.8rem;
    z-index: 20;
    opacity: 0;
}

.sidebar ul li:hover .tooltip {
    opacity: 1;
    transition: opacity 0.3s ease;
}

.sidebar.active ul li .tooltip {
    display: none;
}

.countdown-title {
    font-size: 1.8rem;
    color: #ffffff;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    margin: 0 0 20px 0;
    font-weight: 600;
}

.timer-container {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.time-box {
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 15px 10px;
    border-radius: 10px;
    min-width: 75px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    perspective: 400px;
}

.time-box span {
    font-size: 2.2rem;
    font-weight: bold;
    display: inline-block;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
    transform-style: preserve-3d;
    backface-visibility: hidden;
}

.time-box span.flip {
    animation: digit-flip 0.5s ease-in-out;
}

@keyframes digit-flip {
    0% {
        transform: rotateX(0deg);
    }

    50% {
        transform: rotateX(-90deg);
    }

    100% {
        transform: rotateX(0deg);
    }
}

.countdown-wrapper.expired {
    display: none;
}

.time-box p {
    margin: 5px 0 0 0;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.action-button {
    display: inline-block;
    margin-top: 20px;
    padding: 15px 30px;
    background-color: #ffd700;
    color: #003366;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: bold;
    border-radius: 5px;
    transition: background 0.3s ease, transform 0.2s ease;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
    border: none;
    cursor: pointer;
    position: relative;
    z-index: 10;
}

.action-button:hover {
    background-color: #ffea75;
    transform: translateY(-2px);
}

.action-button.sm {
    padding: 10px 20px;
    font-size: 1rem;
    margin-top: 0;
}

.welcome-title {
    text-align: center;
    margin-bottom: 40px;
}

.page-title-image,
.kompetisi-title-image {
    display: block;
    margin: 0 auto 30px auto;
    max-width: 100%;
    height: auto;
    max-height: 250px;
    object-fit: contain;
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.5));
    pointer-events: none;
}

.page-text {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 20px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.card-grid {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.info-card {
    background-color: rgba(255, 255, 255, 0.15);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    flex: 1;
    min-width: 200px;
    max-width: calc(50% - 10px);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.info-card h2:has(.page-title-image) {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 0 20px 0;
    width: 100%;
}

.info-card h2 .page-title-image {
    margin: 0;
}

.bookmark-toggle {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    transition: background 0.2s ease, transform 0.2s ease, color 0.2s ease, border-color 0.2s ease;
    z-index: 5;
    padding: 0;
}

.bookmark-toggle:hover {
    background: rgba(255, 215, 0, 0.25);
    transform: scale(1.1);
    color: #ffd700;
}

.bookmark-toggle.active {
    color: #ffd700;
    background: rgba(255, 215, 0, 0.2);
    border-color: rgba(255, 215, 0, 0.6);
}

.bookmark-toggle.active:hover {
    background: rgba(255, 215, 0, 0.35);
}

.bookmark-toggle i {
    pointer-events: none;
}

.bookmark-toggle.pop {
    animation: pop 0.3s ease-out;
}

.bookmarks-empty {
    text-align: center;
    padding: 60px 20px;
}

.bookmarks-empty i {
    font-size: 4rem;
    opacity: 0.4;
    margin-bottom: 15px;
    display: block;
}

.bookmarks-empty p {
    font-size: 1.1rem;
    margin: 8px 0;
}

.bookmarks-empty-hint {
    opacity: 0.7;
    font-size: 0.9rem;
}

.social-card {
    cursor: default;
}

.social-icon {
    font-size: 4rem;
    margin-bottom: 10px;
}

.social-name {
    margin: 5px 0 8px 0;
}

.social-handle {
    margin: 0;
    opacity: 0.7;
}

.video-section {
    margin-top: 30px;
}

.video-section-title {
    margin-bottom: 15px;
}

.video-placeholder {
    background: rgba(0, 0, 0, 0.3);
    border: 1px dashed rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    padding: 60px 20px;
}

.video-placeholder i {
    font-size: 5rem;
    opacity: 0.5;
    display: block;
    margin-bottom: 10px;
}

.video-placeholder p {
    margin: 0;
    opacity: 0.6;
}

.kw-green {
    font-weight: bold;
    color: #2ecc71;
}

.kw-blue {
    font-weight: bold;
    color: #3498db;
}

.kw-violet {
    font-weight: bold;
    color: #9b59b6;
}

.kw-purple {
    font-weight: bold;
    color: #8e44ad;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pop {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.15);
        color: #ffd700;
        text-shadow: 0 0 10px rgba(255, 215, 0, 0.8);
    }

    100% {
        transform: scale(1);
    }
}

.tick {
    animation: pop 0.3s ease-out;
}

@media (max-width: 1024px) {
    .main-content {
        padding: 30px;
    }

    .page-section {
        padding: 25px;
    }
}

@media (max-width: 768px) {
    body {
        overflow-y: auto;
        align-items: flex-start;
        padding: 0;
    }

    #dashboard-layout {
        flex-direction: column;
        width: 100%;
        min-height: 100vh;
    }

    .sidebar {
        padding-top: 80px;
    }

    .main-content {
        padding: 80px 15px 20px 15px;
    }

    .page-section {
        padding: 25px 15px;
    }

    .card-grid {
        flex-direction: column;
        gap: 15px;
    }

    .info-card {
        width: 100%;
        max-width: 100%;
        padding: 20px;
        box-sizing: border-box;
        flex: none;
    }

    .info-card h2 {
        margin: 0;
    }

    .page-text {
        font-size: 0.95rem;
    }

    .action-button {
        width: 100%;
        padding: 14px;
        box-sizing: border-box;
    }

    .page-title-image,
    .kompetisi-title-image {
        max-height: 180px;
    }

    .timer-container {
        gap: 8px;
        margin-bottom: 25px;
    }

    .time-box {
        flex: 1;
        min-width: 0;
        padding: 12px 5px;
    }

    .time-box span {
        font-size: 1.6rem;
    }

    .time-box p {
        font-size: 0.7rem;
        letter-spacing: 0.5px;
    }

    .countdown-title {
        font-size: 1.3rem;
        margin-bottom: 15px;
    }

    .bookmark-toggle {
        top: 8px;
        right: 8px;
        width: 32px;
        height: 32px;
        font-size: 1.1rem;
    }

    #school-logo-container {
        top: 10px;
        right: 12px;
        padding: 4px 8px;
        border-radius: 8px;
    }

    #school-logo {
        height: 36px;
    }

    .main-content.sidebar-open {
        filter: blur(2px);
        pointer-events: none;
    }

    .social-icon {
        font-size: 3rem;
    }

    .video-placeholder {
        padding: 40px 15px;
    }

    .video-placeholder i {
        font-size: 4rem;
    }
}