:root {
    --bg-dark: #0a0a14;
    --bg-card: #12121e;
    --bg-card-hover: #1a1a2e;
    --neon-green: #00ff41;
    --neon-blue: #00d4ff;
    --neon-purple: #a855f7;
    --text-primary: #e0e0e0;
    --text-secondary: #8888aa;
    --text-muted: #555577;
    --border: rgba(0, 255, 65, 0.1);
    --radius: 16px;
    --radius-sm: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(10, 10, 20, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 10, 20, 0.95);
    box-shadow: 0 4px 30px rgba(0, 255, 65, 0.05);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.35rem;
    color: var(--text-primary);
}

.logo-icon { font-size: 1.6rem; }

.logo-text {
    background: linear-gradient(135deg, var(--neon-green) 0%, var(--neon-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
}

.nav-links { display: flex; align-items: center; gap: 8px; }

.nav-link {
    padding: 10px 20px;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-link:hover { color: var(--neon-green); background: rgba(0, 255, 65, 0.08); }
.nav-link.active { color: var(--neon-green); background: rgba(0, 255, 65, 0.1); }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 24px; height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.hero {
    padding: 120px 24px 60px;
    text-align: center;
    background: linear-gradient(180deg, rgba(0, 255, 65, 0.03) 0%, transparent 100%);
}

.hero-title {
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--neon-green) 0%, var(--neon-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.content { padding: 40px 0 100px; }

.category-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.category-tag {
    padding: 6px 16px;
    font-size: 0.85rem;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-secondary);
    text-decoration: none;
    border: 1px solid rgba(0, 255, 65, 0.1);
    border-radius: 20px;
    transition: var(--transition);
    letter-spacing: 0.05em;
}

.category-tag:hover {
    color: var(--neon-green);
    border-color: rgba(0, 255, 65, 0.3);
    background: rgba(0, 255, 65, 0.05);
}

.category-tag.active {
    color: var(--bg-dark);
    background: var(--neon-green);
    border-color: var(--neon-green);
}

.reports-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.report-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 28px;
    background: var(--bg-card);
    border: 1px solid rgba(0, 255, 65, 0.08);
    border-radius: var(--radius);
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

.report-card:hover {
    border-color: rgba(0, 255, 65, 0.25);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 255, 65, 0.08);
}

.report-icon {
    width: 44px; height: 44px;
    flex-shrink: 0;
    background: rgba(0, 255, 65, 0.08);
    border: 1px solid rgba(0, 255, 65, 0.12);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.report-icon svg { width: 22px; height: 22px; color: var(--neon-green); transition: color 0.2s ease; }

.report-card:hover .report-icon {
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.15);
}

.report-info {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 16px;
}

.report-main {
    display: flex;
    align-items: baseline;
    gap: 10px;
    min-width: 0;
    flex-shrink: 1;
}

.report-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
}

.report-desc {
    font-size: 0.82rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 300px;
}

.report-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
    font-size: 0.8rem;
    font-family: 'JetBrains Mono', monospace;
}

.report-category {
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.15);
    padding: 3px 10px;
    border-radius: 6px;
    white-space: nowrap;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.report-date { color: var(--text-muted); }

.report-arrow {
    flex-shrink: 0;
    width: 32px; height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 255, 65, 0.08);
    border-radius: 50%;
    color: var(--neon-green);
    font-size: 1.1rem;
    transition: var(--transition);
}

.report-card:hover .report-arrow {
    background: var(--neon-green);
    color: var(--bg-dark);
    transform: translateX(4px);
}

.empty-state {
    text-align: center;
    padding: 80px 20px;
}

.empty-icon { font-size: 4rem; margin-bottom: 16px; }

.empty-state h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.empty-state p { color: var(--text-secondary); }

.view-header {
    padding: 120px 24px 40px;
    background: linear-gradient(180deg, rgba(0, 255, 65, 0.03) 0%, transparent 100%);
}

.back-link {
    display: inline-block;
    color: var(--neon-green);
    text-decoration: none;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    margin-bottom: 20px;
    transition: var(--transition);
}

.back-link:hover { opacity: 0.8; }

.view-title {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--neon-green) 0%, var(--neon-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.view-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 0.85rem;
    font-family: 'JetBrains Mono', monospace;
}

.view-category {
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.15);
    padding: 4px 14px;
    border-radius: 6px;
    font-weight: 500;
}

.view-date { color: var(--text-muted); }

.view-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 700px;
}

.pdf-viewer { 
    padding: 0 40px 100px;
}

.pdf-container {
    max-width: 900px;
    margin: 0 auto;
    height: 85vh;
    min-height: 600px;
}

.pdf-container object {
    width: 100%;
    height: 100%;
    display: block;
    border: none;
}

.pdf-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 16px;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    color: var(--neon-green);
    text-decoration: none;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    border: 1px solid rgba(0, 255, 65, 0.2);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.btn-download:hover {
    background: rgba(0, 255, 65, 0.08);
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.15);
}

.footer {
    padding: 40px 0;
    border-top: 1px solid var(--border);
}

.footer-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.footer-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    color: var(--neon-green);
    text-decoration: none;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    border: 1px solid rgba(0, 255, 65, 0.2);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.footer-back:hover { background: rgba(0, 255, 65, 0.08); }

.footer-copyright {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
}

.error-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px;
}

.error-code {
    font-size: 6rem;
    font-weight: 800;
    font-family: 'JetBrains Mono', monospace;
    color: var(--neon-green);
    text-shadow: 0 0 40px rgba(0, 255, 65, 0.3);
    margin-bottom: 16px;
}

.error-page h1 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.error-page p { color: var(--text-secondary); margin-bottom: 24px; }

.btn-back {
    display: inline-flex;
    align-items: center;
    padding: 10px 24px;
    color: var(--neon-green);
    text-decoration: none;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    border: 1px solid rgba(0, 255, 65, 0.2);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.btn-back:hover { background: rgba(0, 255, 65, 0.08); }

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.login-box {
    width: 100%;
    max-width: 400px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
}

.login-title {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--neon-green) 0%, var(--neon-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 32px;
}

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

.form-label {
    display: block;
    font-size: 0.85rem;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-secondary);
    margin-bottom: 8px;
    letter-spacing: 0.05em;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    background: rgba(0, 255, 65, 0.03);
    border: 1px solid rgba(0, 255, 65, 0.12);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: 'JetBrains Mono', monospace;
    transition: var(--transition);
    outline: none;
}

.form-input:focus {
    border-color: rgba(0, 255, 65, 0.4);
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.1);
}

.form-input::placeholder { color: var(--text-muted); }

.btn-submit {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--neon-green) 0%, #00cc33 100%);
    color: var(--bg-dark);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.05em;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 255, 65, 0.3);
}

.error-msg {
    text-align: center;
    color: #ff4444;
    font-size: 0.85rem;
    margin-bottom: 16px;
    padding: 8px;
    background: rgba(255, 68, 68, 0.08);
    border: 1px solid rgba(255, 68, 68, 0.2);
    border-radius: 8px;
}

.admin-page { padding: 100px 0 60px; }

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 16px;
}

.admin-title {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--neon-green) 0%, var(--neon-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.admin-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.btn-admin {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 0.85rem;
    font-family: 'JetBrains Mono', monospace;
    text-decoration: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: 1px solid rgba(0, 255, 65, 0.2);
    color: var(--neon-green);
    background: rgba(0, 255, 65, 0.05);
    transition: var(--transition);
}

.btn-admin:hover {
    background: rgba(0, 255, 65, 0.1);
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.1);
}

.btn-admin.danger {
    color: #ff4444;
    border-color: rgba(255, 68, 68, 0.2);
    background: rgba(255, 68, 68, 0.05);
}

.btn-admin.danger:hover {
    background: rgba(255, 68, 68, 0.1);
}

.admin-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 24px;
}

.admin-section-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--neon-green);
    margin-bottom: 20px;
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.05em;
}

.upload-form { display: flex; flex-direction: column; gap: 16px; }

.form-row { display: flex; gap: 16px; flex-wrap: wrap; }
.form-row .form-group { flex: 1; min-width: 200px; }

.form-select {
    width: 100%;
    padding: 12px 16px;
    background: rgba(0, 255, 65, 0.03);
    border: 1px solid rgba(0, 255, 65, 0.12);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: 'JetBrains Mono', monospace;
    outline: none;
    cursor: pointer;
    transition: var(--transition);
}

.form-select:focus {
    border-color: rgba(0, 255, 65, 0.4);
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.1);
}

.form-select option { background: var(--bg-card); color: var(--text-primary); }

.file-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
}

.file-input-wrapper input[type="file"] {
    flex: 1;
    padding: 10px;
    background: rgba(0, 255, 65, 0.03);
    border: 1px dashed rgba(0, 255, 65, 0.2);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    cursor: pointer;
}

.file-input-wrapper input[type="file"]::-webkit-file-upload-button {
    padding: 6px 16px;
    background: rgba(0, 255, 65, 0.1);
    border: 1px solid rgba(0, 255, 65, 0.2);
    border-radius: 6px;
    color: var(--neon-green);
    font-family: 'JetBrains Mono', monospace;
    cursor: pointer;
    margin-right: 12px;
}

.category-form {
    display: flex;
    gap: 12px;
    align-items: flex-end;
}

.category-form .form-group { flex: 1; margin-bottom: 0; }

.category-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.category-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.15);
    border-radius: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--neon-blue);
}

.category-item form { display: inline; }

.btn-delete-cat {
    background: none;
    border: none;
    color: #ff4444;
    cursor: pointer;
    font-size: 1rem;
    padding: 0;
    line-height: 1;
    opacity: 0.6;
    transition: var(--transition);
}

.btn-delete-cat:hover { opacity: 1; }

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

.reports-table th {
    text-align: left;
    padding: 12px 16px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-bottom: 1px solid var(--border);
}

.reports-table td {
    padding: 12px 16px;
    border-bottom: 1px solid rgba(0, 255, 65, 0.05);
    font-size: 0.9rem;
    vertical-align: middle;
}

.reports-table tr:hover td {
    background: rgba(0, 255, 65, 0.02);
}

.table-actions { display: flex; gap: 8px; }

.btn-sm {
    padding: 4px 10px;
    font-size: 0.75rem;
    font-family: 'JetBrains Mono', monospace;
    border-radius: 6px;
    cursor: pointer;
    border: 1px solid rgba(0, 255, 65, 0.15);
    color: var(--neon-green);
    background: rgba(0, 255, 65, 0.05);
    text-decoration: none;
    transition: var(--transition);
}

.btn-sm:hover { background: rgba(0, 255, 65, 0.1); }

.btn-sm.danger {
    color: #ff4444;
    border-color: rgba(255, 68, 68, 0.15);
    background: rgba(255, 68, 68, 0.05);
}

.btn-sm.danger:hover { background: rgba(255, 68, 68, 0.1); }

.flash-messages { margin-bottom: 20px; }

.flash-msg {
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: 8px;
}

.flash-msg.success {
    color: var(--neon-green);
    background: rgba(0, 255, 65, 0.08);
    border: 1px solid rgba(0, 255, 65, 0.2);
}

.flash-msg.error {
    color: #ff4444;
    background: rgba(255, 68, 68, 0.08);
    border: 1px solid rgba(255, 68, 68, 0.2);
}

.edit-form {
    display: none;
    margin-top: 12px;
    padding: 16px;
    background: rgba(0, 255, 65, 0.03);
    border: 1px solid rgba(0, 255, 65, 0.1);
    border-radius: var(--radius-sm);
}

.edit-form.active { display: block; }

.edit-form .form-group { margin-bottom: 12px; }

.edit-form-actions { display: flex; gap: 8px; }

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%; left: 0; right: 0;
        background: rgba(10, 10, 20, 0.98);
        flex-direction: column;
        padding: 16px;
        gap: 4px;
        border-bottom: 1px solid var(--border);
    }

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

    .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .nav-toggle.active span:nth-child(2) { opacity: 0; }
    .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

    .pdf-container {
        max-width: none;
        height: 80vh;
        min-height: 500px;
    }
    .pdf-viewer {
        padding: 0 16px 80px;
    }
    .reports-grid { grid-template-columns: 1fr; }
    .report-card { padding: 16px 18px; gap: 14px; }
    .report-info { flex-direction: column; align-items: flex-start; gap: 8px; }
    .report-main { flex-wrap: wrap; }
    .report-desc { display: none; }
    .report-meta { width: 100%; justify-content: flex-start; }
    .reports-table { font-size: 0.8rem; }
    .reports-table th, .reports-table td { padding: 8px; }
    .form-row { flex-direction: column; }
    .category-form { flex-direction: column; }
    .admin-header { flex-direction: column; align-items: flex-start; }
}