/* Nigeria Energy & Lighting Expo - Resume System Styles */
/* Responsive Design - Mobile First Approach */

:root {
    --primary-color: #1a5276;
    --secondary-color: #2980b9;
    --accent-color: #f39c12;
    --success-color: #27ae60;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --bg-color: #f8f9fa;
    --card-bg: #ffffff;
    --text-color: #2c3e50;
    --text-muted: #7f8c8d;
    --border-color: #dee2e6;
    --shadow: 0 2px 10px rgba(0,0,0,0.08);
    --shadow-hover: 0 4px 20px rgba(0,0,0,0.12);
    --radius: 8px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Header */
.site-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.logo {
    font-size: 1.3rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    font-size: 1.8rem;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    list-style: none;
}

.nav-links a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 0.3rem 0.6rem;
    border-radius: var(--radius);
}

.nav-links a:hover {
    color: white;
    background: rgba(255,255,255,0.15);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Main Container */
.main-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
    min-height: calc(100vh - 200px);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color), #2c3e50);
    color: white;
    padding: 3rem 1rem;
    text-align: center;
    border-radius: var(--radius);
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: rgba(255,255,255,0.03);
    border-radius: 50%;
}

.hero h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.hero p {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto 1.5rem;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    background: var(--accent-color);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    position: relative;
    z-index: 1;
}

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.card:hover {
    box-shadow: var(--shadow-hover);
}

.card-header {
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-header h2 {
    color: var(--primary-color);
    font-size: 1.3rem;
}

.card-header .icon {
    font-size: 1.5rem;
}

/* Position Cards */
.positions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.position-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--secondary-color);
    transition: var(--transition);
    cursor: pointer;
}

.position-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    border-left-color: var(--accent-color);
}

.position-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.position-card .dept {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 0.8rem;
}

.position-card .desc {
    font-size: 0.9rem;
    color: var(--text-color);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.position-card .apply-btn {
    display: inline-block;
    background: var(--secondary-color);
    color: white;
    padding: 0.5rem 1.2rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
}

.position-card .apply-btn:hover {
    background: var(--primary-color);
}

/* Form Styles */
.form-section {
    margin-bottom: 2rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.2rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 600;
    color: var(--text-color);
    font-size: 0.9rem;
}

.form-group label .required {
    color: var(--danger-color);
    margin-left: 0.2rem;
}

.form-group label .hint {
    font-weight: normal;
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-left: 0.3rem;
}

.form-control {
    width: 100%;
    padding: 0.7rem 0.9rem;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 0.95rem;
    transition: var(--transition);
    background: white;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(41, 128, 185, 0.1);
}

.form-control.error {
    border-color: var(--danger-color);
    background: #fdf2f2;
}

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.8rem center;
    padding-right: 2.5rem;
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

/* Photo Upload */
.photo-upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    background: #fafbfc;
}

.photo-upload-area:hover {
    border-color: var(--secondary-color);
    background: #f0f7ff;
}

.photo-upload-area.active {
    border-color: var(--success-color);
    background: #f0fff4;
}

.photo-upload-area .upload-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
}

.photo-upload-area p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.photo-upload-area .file-name {
    color: var(--success-color);
    font-weight: 600;
    font-size: 0.85rem;
}

.photo-preview {
    max-width: 150px;
    max-height: 150px;
    border-radius: var(--radius);
    margin-top: 1rem;
    display: none;
    object-fit: cover;
    border: 2px solid var(--border-color);
}

/* Dynamic Fields (Family, Education, Work) */
.dynamic-item {
    background: #f8f9fa;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1rem;
    margin-bottom: 1rem;
    position: relative;
}

.dynamic-item .remove-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: var(--danger-color);
    color: white;
    border: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
    transition: var(--transition);
}

.dynamic-item .remove-btn:hover {
    background: #c0392b;
}

.add-btn {
    background: var(--success-color);
    color: white;
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.add-btn:hover {
    background: #219a52;
}

/* Submit Button */
.submit-section {
    text-align: center;
    padding: 2rem 0;
    border-top: 2px solid var(--border-color);
    margin-top: 2rem;
}

.btn-submit {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: white;
    border: none;
    padding: 1rem 3rem;
    font-size: 1.1rem;
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(41, 128, 185, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(41, 128, 185, 0.4);
}

.btn-submit:active {
    transform: translateY(0);
}

/* Success Page */
.success-container {
    text-align: center;
    padding: 3rem 1rem;
    max-width: 600px;
    margin: 0 auto;
}

.success-icon {
    font-size: 5rem;
    color: var(--success-color);
    margin-bottom: 1rem;
}

.success-container h1 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.success-container .resume-number {
    background: var(--accent-color);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: var(--radius);
    font-size: 1.3rem;
    font-weight: 700;
    display: inline-block;
    margin: 1rem 0;
    letter-spacing: 1px;
}

.success-container p {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

/* Alerts */
.alert {
    padding: 1rem 1.2rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    border-left: 4px solid;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.alert-success {
    background: #d4edda;
    border-left-color: var(--success-color);
    color: #155724;
}

.alert-danger {
    background: #f8d7da;
    border-left-color: var(--danger-color);
    color: #721c24;
}

.alert-warning {
    background: #fff3cd;
    border-left-color: var(--warning-color);
    color: #856404;
}

.alert-info {
    background: #d1ecf1;
    border-left-color: var(--secondary-color);
    color: #0c5460;
}

/* Admin Table */
.table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    min-width: 800px;
}

.data-table th,
.data-table td {
    padding: 0.8rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
}

.data-table tr:hover {
    background: #f8f9fa;
}

.data-table .status {
    padding: 0.3rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-pending { background: #fff3cd; color: #856404; }
.status-reviewed { background: #d1ecf1; color: #0c5460; }
.status-shortlisted { background: #d4edda; color: #155724; }
.status-rejected { background: #f8d7da; color: #721c24; }

/* Footer */
.site-footer {
    background: var(--primary-color);
    color: rgba(255,255,255,0.8);
    padding: 2rem 1rem;
    text-align: center;
    margin-top: 3rem;
}

.site-footer p {
    font-size: 0.9rem;
}

.site-footer .footer-links {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.site-footer a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: var(--transition);
}

.site-footer a:hover {
    color: white;
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.breadcrumb a {
    color: var(--secondary-color);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* Progress Bar */
.progress-container {
    margin-bottom: 2rem;
}

.progress-bar {
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    transition: width 0.5s ease;
    border-radius: 3px;
}

/* Info Box */
.info-box {
    background: #e8f4f8;
    border-left: 4px solid var(--secondary-color);
    padding: 1rem 1.2rem;
    border-radius: 0 var(--radius) var(--radius) 0;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.info-box strong {
    color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    html {
        font-size: 15px;
    }

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

    .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 0.5rem;
        margin-top: 1rem;
    }

    .nav-links.active {
        display: flex;
    }

    .menu-toggle {
        display: block;
        position: absolute;
        right: 1rem;
        top: 1rem;
    }

    .hero h1 {
        font-size: 1.5rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .positions-grid {
        grid-template-columns: 1fr;
    }

    .card {
        padding: 1rem;
    }

    .btn-submit {
        width: 100%;
        padding: 1rem;
    }

    .photo-upload-area {
        padding: 1.5rem 1rem;
    }

    .dynamic-item {
        padding: 0.8rem;
    }

    .data-table {
        font-size: 0.85rem;
    }

    .success-container {
        padding: 2rem 1rem;
    }

    .success-icon {
        font-size: 3.5rem;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .main-container {
        padding: 1rem 0.8rem;
    }

    .hero {
        padding: 2rem 1rem;
    }

    .form-control {
        padding: 0.6rem 0.7rem;
    }
}

/* Print Styles */
@media print {
    .site-header,
    .site-footer,
    .btn-submit,
    .add-btn,
    .remove-btn,
    .menu-toggle {
        display: none !important;
    }

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

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

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

/* Animation */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
}

*:focus {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}