:root {
    --primary: #4F46E5;
    --primary-hover: #4338CA;
    --bg-gradient-start: #EEF2FF;
    --bg-gradient-end: #E0E7FF;
    --text-main: #1F2937;
    --text-muted: #6B7280;
    --card-bg: rgba(255, 255, 255, 0.85);
    --border-color: rgba(255, 255, 255, 0.4);
    --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --radius: 16px;
    --error: #EF4444;
    --success: #10B981;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--primary-hover);
}

.glass-panel {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    border-radius: var(--radius);
}

/* ================== Search Page ================== */
.search-page-body {
    justify-content: center;
}

.search-container {
    width: 100%;
    max-width: 480px;
    padding: 20px;
}

.search-card {
    padding: 40px 30px;
}

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

.logo-placeholder {
    font-size: 48px;
    margin-bottom: 10px;
}

.brand h1 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #111827;
}

.brand p {
    color: var(--text-muted);
    font-size: 14px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 14px;
    color: #374151;
}

input[type="text"], select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #D1D5DB;
    border-radius: 8px;
    font-family: inherit;
    font-size: 15px;
    background: #F9FAFB;
    transition: all 0.2s;
}

input[type="text"]:focus, select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
    background: #FFF;
}

.btn-primary, .btn-secondary {
    display: inline-block;
    width: 100%;
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(79, 70, 229, 0.4);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 8px -1px rgba(79, 70, 229, 0.5);
}

.admin-link {
    text-align: center;
    margin-top: 24px;
    font-size: 13px;
}

/* ================== Result Page ================== */
.result-page-body {
    padding: 40px 20px;
    background: #F3F4F6;
}

.result-container {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
}

.back-link {
    display: inline-block;
    font-weight: 500;
}

.marksheet-wrapper {
    background: #FFFFFF;
    padding: 40px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border: 1px solid #E5E7EB;
}

.marksheet-header {
    text-align: center;
    margin-bottom: 30px;
}

.marksheet-header .logo {
    width: 100px;
    margin-bottom: 10px;
}

.marksheet-header h1 {
    font-size: 24px;
    color: #1a6cb3; /* Exact blue from screenshot */
    margin-bottom: 5px;
    font-weight: 400;
}

.marksheet-header h2 {
    font-size: 16px;
    color: #333;
    font-weight: 500;
}

.header-divider {
    border: none;
    border-top: 1px solid #D1D5DB;
    margin-top: 15px;
}

.section-title {
    font-size: 16px;
    font-weight: 600;
    color: #4B5563;
    margin: 25px 0 10px 0;
}

.details-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 30px;
    font-size: 12px;
}

.details-table td {
    padding: 10px;
    border: 1px solid #E5E7EB;
}

.details-table .lbl {
    font-weight: 600;
    color: #111827;
    background-color: #F9FAFB;
    width: 20%;
}

.details-table .val {
    color: #374151;
    width: 30%;
}

.subjects-grid {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.subject-column {
    flex: 1;
}

.column-title {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 10px;
    color: #111827;
}

.marks-grid-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}

.marks-grid-table th, .marks-grid-table td {
    padding: 10px;
    border: 1px solid #E5E7EB;
    text-align: left;
}

.marks-grid-table th {
    background-color: #FFFFFF;
    font-weight: 600;
    color: #111827;
    text-align: center;
}

.summary-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
}

.summary-table {
    width: 60%;
    border-collapse: collapse;
    font-size: 12px;
}

.summary-table td {
    padding: 10px;
    border: 1px solid #E5E7EB;
}

.summary-table .lbl {
    font-weight: 600;
    background-color: #F9FAFB;
    width: 60%;
}

.summary-table .val {
    width: 40%;
}

.btn-print {
    background-color: #2e7d32;
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
}

.btn-print:hover {
    background-color: #1b5e20;
}

/* ================== Admin Page ================== */
.container {
    width: 100%;
    max-width: 800px;
    padding: 40px 20px;
    margin: 0 auto;
}

header {
    text-align: center;
    margin-bottom: 40px;
}

header h1 {
    font-size: 32px;
    color: #111827;
    margin-bottom: 8px;
}

header p {
    color: var(--text-muted);
    margin-bottom: 16px;
}

.upload-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.card {
    background: #FFFFFF;
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
}

.card h2 {
    font-size: 20px;
    margin-bottom: 10px;
}

.card p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.card input[type="file"] {
    display: block;
    width: 100%;
    margin-bottom: 20px;
    padding: 10px;
    border: 1px dashed #D1D5DB;
    border-radius: 8px;
    background: #F9FAFB;
}

.status-message {
    margin-top: 15px;
    font-size: 14px;
    font-weight: 500;
}

.status-message .success { color: var(--success); }
.status-message .error { color: var(--error); }
.status-message .loading { color: var(--primary); }

/* Print Styles */
@media print {
    body {
        background: none;
        padding: 0;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    .no-print {
        display: none !important;
    }
    .marksheet-wrapper {
        box-shadow: none;
        border: none;
        padding: 0;
    }
}

/* Responsive */
@media (max-width: 640px) {
    .upload-cards {
        grid-template-columns: 1fr;
    }
    .subjects-grid {
        flex-direction: column;
    }
    .details-table td {
        display: block;
        width: 100% !important;
    }
}