:root {
    /* Premium Color Palette */
    --primary: #0B1B3D;
    /* Deep authoritarian blue */
    --primary-light: #1A3266;
    --accent: #D4AF37;
    /* Classic gold */
    --accent-light: #F3E5AB;
    /* Soft gold */
    --accent-hover: #E2BC44;
    --success: #0C6B4B;
    /* Emerald green for success */
    --danger: #991B1B;
    /* Elegant crimson for errors */

    /* Neutrals */
    --bg: #F5F7FA;
    /* Very light cool gray */
    --card-bg: #FFFFFF;
    --text: #2D3748;
    --text-muted: #718096;
    --border: #E2E8F0;

    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Outfit', sans-serif;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(11, 27, 61, 0.04);
    --shadow-md: 0 10px 25px rgba(11, 27, 61, 0.08);
    --shadow-lg: 0 20px 40px rgba(11, 27, 61, 0.12);
}

body {
    font-family: var(--font-body);
    background-color: var(--bg);
    color: var(--text);
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Header & Logo Area */
.logo-container {
    text-align: center;
    padding: 50px 20px 70px;
    /* Extra bottom padding for overlap */
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    border-bottom: 5px solid var(--accent);
    position: relative;
    box-shadow: inset 0 -10px 20px rgba(0, 0, 0, 0.1);
}

.logo-img {
    width: 140px;
    height: auto;
    margin-bottom: 24px;
    filter: drop-shadow(0 8px 12px rgba(0, 0, 0, 0.4));
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.logo-img:hover {
    transform: scale(1.05);
}

.header-titles h1 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 8px;
    letter-spacing: 0.5px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.header-titles h2 {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--accent);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 3px;
    opacity: 0.9;
}

/* Main Container Area */
.container {
    max-width: 850px;
    margin: -50px auto 50px;
    /* Negative margin to pull up over the header */
    padding: 0 20px;
    width: 100%;
    box-sizing: border-box;
    flex-grow: 1;
    position: relative;
    z-index: 10;
}

/* Search Card Elements */
.search-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 40px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.7);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.search-label {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 15px;
    display: block;
    text-align: center;
}

.search-desc {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 25px;
}

.search-group {
    display: flex;
    gap: 15px;
    position: relative;
}

.search-input {
    flex: 1;
    padding: 18px 24px;
    background-color: var(--bg);
    border: 2px solid transparent;
    border-radius: 14px;
    font-size: 1.1rem;
    color: var(--primary);
    outline: none;
    transition: all 0.3s ease;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.02);
}

.search-input::placeholder {
    color: #A0AEC0;
}

.search-input:focus {
    border-color: var(--accent);
    background-color: white;
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.15);
}

.btn-verify {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    color: var(--primary);
    border: none;
    padding: 0 35px;
    border-radius: 14px;
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
    text-transform: uppercase;
}

.btn-verify:hover,
.btn-verify:focus {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
    outline: none;
}

.btn-verify:active {
    transform: translateY(1px);
}

/* Result Card - Success */
.result-card {
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    animation: slideUpFade 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid var(--border);
}

@keyframes slideUpFade {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

.result-header {
    background: linear-gradient(135deg, var(--success) 0%, #0E7B56 100%);
    color: white;
    padding: 25px 35px;
    display: flex;
    align-items: center;
    gap: 20px;
    position: relative;
    overflow: hidden;
}

.result-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.icon-success {
    font-size: 2.5rem;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.status-badge {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 8px 18px;
    border-radius: 99px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 1px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.result-content {
    padding: 35px;
}

/* Data Grid layout */
.data-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.data-item {
    padding: 20px;
    background: var(--bg);
    border-radius: 12px;
    border-left: 4px solid var(--accent);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.data-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-sm);
    background: white;
}

.data-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.data-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary);
    word-break: break-word;
}

.data-value.monospace {
    font-family: 'Courier New', Courier, monospace;
    font-size: 1.2rem;
    letter-spacing: 1px;
    color: var(--primary);
    background: rgba(11, 27, 61, 0.05);
    padding: 4px 8px;
    border-radius: 4px;
    display: inline-block;
}

/* Result Footer Actions */
.certificate-footer {
    background-color: #FAFCFF;
    padding: 25px 35px;
    border-top: 1px solid var(--border);
    text-align: center;
}

.btn-print {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    padding: 12px 30px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-print:hover,
.btn-print:focus {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 12px rgba(11, 27, 61, 0.2);
    transform: translateY(-2px);
}

/* Not Found / Error Card */
.not-found {
    text-align: center;
    padding: 50px 40px;
    background: var(--card-bg);
    border-radius: 20px;
    border: 2px dashed rgba(153, 27, 27, 0.3);
    box-shadow: var(--shadow-md);
    animation: slideUpFade 0.5s ease-out;
}

.not-found h3 {
    color: var(--danger);
    font-family: var(--font-heading);
    font-size: 1.8rem;
    margin-bottom: 12px;
}

/* Footer Section */
footer {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: auto;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .search-card {
        padding: 30px 20px;
    }

    .search-group {
        flex-direction: column;
    }

    .btn-verify {
        padding: 18px;
        width: 100%;
        justify-content: center;
    }

    .result-header {
        flex-direction: column;
        text-align: center;
    }

    .status-badge {
        align-self: center;
    }
}

@media (max-width: 480px) {
    .logo-img {
        width: 110px;
    }

    .header-titles h1 {
        font-size: 1.6rem;
    }

    .header-titles h2 {
        font-size: 0.9rem;
    }

    .container {
        margin-top: -30px;
    }

    .search-label {
        font-size: 1.3rem;
    }
}

/* Print Styles */
@media print {
    body {
        background: white;
    }

    .logo-container {
        background: white;
        color: black;
        padding: 20px;
        border-bottom: 2px solid black;
        box-shadow: none;
    }

    .logo-img {
        filter: none;
    }

    .header-titles h1,
    .header-titles h2 {
        color: black;
        text-shadow: none;
    }

    .search-card,
    .btn-print,
    footer,
    .not-found {
        display: none !important;
    }

    .container {
        margin-top: 20px;
        max-width: 100%;
        box-shadow: none;
    }

    .result-card {
        box-shadow: none;
        border: 1px solid #000;
        break-inside: avoid;
    }

    .result-header {
        background: #f0f0f0 !important;
        color: black !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .data-item {
        border-left-color: #000;
        background: white !important;
    }

    .data-value {
        color: black !important;
    }
}