:root {
    --navy-blue: #002147;
    --navy-light: #0d3b6b;
    --red-accent: #00d2ff;
    --red-hover: #0099cc;
    --white: #ffffff;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-600: #6c757d;
    --gray-800: #343a40;
    --glass-bg: rgba(255, 255, 255, 0.95);
    --glass-border: rgba(255, 255, 255, 0.2);
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--gray-100);
    color: var(--gray-800);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.hidden {
    display: none !important;
}

/* Header */
.main-header {
    background-color: var(--white);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    text-align: center;
    border-bottom: 4px solid #00d2ff;
}

.header-container {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.logo-area img {
    max-width: 110px;
    height: auto;
}

.college-info h1 {
    font-size: 1.25rem;
    color: var(--navy-blue);
    margin-bottom: 5px;
    line-height: 1.4;
}

.college-info .subtitle {
    font-size: 0.9rem;
    color: var(--gray-600);
    margin-bottom: 5px;
}

.college-info .address {
    font-size: 0.85rem;
    color: var(--gray-600);
}

/* Main Layout */
.main-content {
    flex: 1;
    padding: 3rem 1.5rem;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.card {
    background: var(--glass-bg);
    border-radius: 12px;
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    border: 1px solid var(--glass-border);
}

.header-banner {
    background: linear-gradient(135deg, #002147 0%, #00d2ff 100%);
    color: var(--white);
    text-align: center;
    padding: 2rem;
    border-radius: 12px 12px 0 0;
    margin-bottom: 0;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
}

.header-banner h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.header-banner p {
    color: rgba(255,255,255,0.8);
    font-size: 1.1rem;
}

.search-form {
    border-top-left-radius: 0;
    border-top-right-radius: 0;
    animation: fadeIn 0.5s ease-out;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--navy-blue);
}

.form-group input {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--navy-light);
    box-shadow: 0 0 0 3px rgba(13, 59, 107, 0.1);
}

.hint {
    display: block;
    font-size: 0.8rem;
    color: var(--gray-600);
    margin-top: 0.25rem;
}

.btn {
    width: 100%;
    padding: 0.9rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.btn-primary {
    background-color: var(--red-accent);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--red-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(204, 0, 0, 0.2);
}

.btn-secondary {
    background-color: var(--gray-200);
    color: var(--gray-800);
}

.btn-secondary:hover {
    background-color: var(--gray-300);
}

.btn-success {
    background-color: var(--navy-blue);
    color: var(--white);
}

.btn-success:hover {
    background-color: var(--navy-light);
}

.error-message {
    color: var(--red-accent);
    background: #ffeeee;
    padding: 0.75rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    display: none;
}

/* Spinner */
.spinner {
    width: 1rem;
    height: 1rem;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: var(--white);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Result Section */
.result-section {
    width: 100%;
    max-width: 900px;
    animation: fadeIn 0.6s ease-out;
}

.result-card {
    max-width: 100%;
    padding: 3rem;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--gray-200);
    padding-bottom: 1rem;
    margin-bottom: 2rem;
}

.result-header h2 {
    color: var(--navy-blue);
    font-size: 1.8rem;
}

.badge {
    background-color: var(--red-accent);
    color: var(--white);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.student-info-block {
    margin-bottom: 2rem;
    font-size: 1.1rem;
    line-height: 1.6;
}

.student-info-block p {
    margin-bottom: 0.5rem;
}

.congrats-text {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background-color: rgba(13, 59, 107, 0.05);
    border-left: 4px solid var(--navy-blue);
    border-radius: 0 8px 8px 0;
}

.marks-table-container {
    margin-bottom: 2rem;
}

.marks-table-container h3 {
    color: var(--navy-blue);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.marks-table {
    width: 100%;
    border-collapse: collapse;
}

.marks-table th, .marks-table td {
    border: 1px solid var(--gray-300);
    padding: 1rem;
    text-align: left;
}

.marks-table th {
    background-color: var(--gray-100);
    color: var(--navy-blue);
    font-weight: 600;
}

.total-row {
    font-weight: 700;
    background-color: rgba(13, 59, 107, 0.05);
}

.action-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

/* Brochure */
.brochure-section {
    max-width: 100%;
    margin-top: 2rem;
    padding: 0;
    overflow: hidden;
}

.brochure-header {
    background-color: var(--red-accent);
    color: var(--white);
    text-align: center;
    padding: 1rem;
}

.brochure-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 2rem;
}

.b-col h4 {
    color: var(--navy-blue);
    margin: 1.5rem 0 1rem 0;
    border-bottom: 2px solid var(--gray-200);
    padding-bottom: 0.5rem;
}

.b-col h4:first-child {
    margin-top: 0;
}

.b-col ul {
    list-style: none;
}

.b-col ul li {
    display: flex;
    justify-content: space-between;
    padding: 0.35rem 0;
    font-size: 0.9rem;
    border-bottom: 1px dashed var(--gray-200);
}

.b-col ul li span {
    font-weight: 600;
    color: var(--navy-blue);
}

/* Footer */
footer {
    background-color: var(--navy-blue);
    color: var(--white);
    text-align: center;
    padding: 2rem;
    margin-top: 3rem;
}

footer p {
    opacity: 0.8;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .header-container { flex-direction: column; }
    .action-buttons { flex-direction: column; }
    .brochure-grid { grid-template-columns: 1fr; }
    .result-card { padding: 1.5rem; }
}