:root {
    /* Dynamic rich colors - Aligned with SMK Tinggi (Green & Yellow) */
    --primary-hue: 135;
    /* Forest Green */
    --secondary-hue: 48;
    /* School Yellow/Gold */

    --primary: hsl(var(--primary-hue), 90%, 60%);
    --primary-hover: hsl(var(--primary-hue), 90%, 50%);
    --primary-light: hsl(var(--primary-hue), 90%, 90%);
    /* For faint backgrounds */

    --secondary: hsl(var(--secondary-hue), 80%, 45%);

    --text-main: #1f2937;
    --text-muted: #6b7280;
    --text-light: #9ca3af;

    /* Glassmorphism Surface Colors */
    --glass-bg: rgba(255, 255, 255, 0.65);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    --glass-blur: 20px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Plus Jakarta Sans', 'Outfit', sans-serif;
    background-color: #f3f4f6;
    background-image:
        radial-gradient(at 40% 20%, hsla(var(--primary-hue), 100%, 92%, 1) 0px, transparent 50%),
        radial-gradient(at 80% 0%, hsla(var(--secondary-hue), 100%, 94%, 1) 0px, transparent 50%),
        radial-gradient(at 0% 50%, hsla(var(--primary-hue), 100%, 95%, 1) 0px, transparent 50%),
        radial-gradient(at 80% 50%, hsla(var(--secondary-hue), 100%, 92%, 1) 0px, transparent 50%),
        radial-gradient(at 0% 100%, hsla(var(--primary-hue), 100%, 93%, 1) 0px, transparent 50%),
        radial-gradient(at 80% 100%, hsla(var(--secondary-hue), 100%, 94%, 1) 0px, transparent 50%),
        radial-gradient(at 0% 0%, hsla(var(--primary-hue), 100%, 91%, 1) 0px, transparent 50%);
    background-attachment: fixed;
    background-size: 150% 150%;
    animation: bgPulse 20s ease-in-out infinite alternate;
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

@keyframes bgPulse {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

/* Site Background */
.site-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(rgba(248, 250, 252, 0.9), rgba(248, 250, 252, 0.7)), url('white-house.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* Container */
.container {
    max-width: 800px;
    width: 90%;
    margin: 4rem auto;
    flex: 1;
}

.header {
    text-align: center;
    margin-bottom: 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.school-logo {
    width: 120px;
    height: auto;
    margin-bottom: 0.5rem;
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.1));
    animation: pulse 4s infinite ease-in-out;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.9;
    }

    50% {
        transform: scale(1.05);
        opacity: 1;
    }
}

.header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
}

.header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Glass Card */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 28px;
    box-shadow: var(--glass-shadow);
}

.search-card {
    padding: 2rem;
    margin-bottom: 2.5rem;
    transition: all 0.3s ease;
    /* Brand accent */
}

.search-wrapper {
    display: flex;
    gap: 1rem;
    align-items: center;
}

#searchInput {
    flex: 1;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1rem 1.5rem;
    color: var(--text-main);
    font-size: 1.1rem;
    outline: none;
    transition: all 0.3s ease;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.02);
}

#searchInput:focus {
    border-color: var(--primary);
}

#searchButton {
    background: var(--primary);
    border: none;
    border-radius: 16px;
    padding: 1rem;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

#searchButton:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

.status-message {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    text-align: center;
}

/* Results Section */
.results-section {
    margin-top: 2rem;
}

.results-count {
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

.results-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.result-card {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    animation: fadeIn 0.4s ease forwards;
    opacity: 0;
}

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

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

.result-card:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px hsla(var(--primary-hue), 90%, 60%, 0.12);
}

.result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
}

.result-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-main);
}

.result-email {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    font-family: monospace;
    font-size: 1rem;
    word-break: break-all;
    flex: 1;
}

.copy-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: 0.6rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.copy-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    transform: scale(1.05);
}

.copy-btn.copied {
    border-color: var(--secondary);
    color: var(--primary);
}

mark {
    background: hsla(var(--secondary-hue), 100%, 80%, 0.6);
    color: var(--text-main);
    padding: 0 2px;
    border-radius: 4px;
}

.no-results {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

.no-results-logo {
    width: 60px;
    height: auto;
    margin-bottom: 1rem;
    opacity: 0.3;
    filter: sepia(1) saturate(0.5);
    /* Slight hint of brand color */
}

.hidden {
    display: none;
}

.footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f3f4f6;
}

::-webkit-scrollbar-thumb {
    background: #1e293b;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: #334155;
}

@media (max-width: 600px) {
    .header h1 {
        font-size: 2.2rem;
    }

    .container {
        margin: 2rem auto;
    }
}