/* ========================================================
 * HackForge: web-004-other-peoples-stuff
 * Dark-themed Document Management System
 * ======================================================== */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    min-height: 100vh;
    color: #e0e0e0;
}

/* --- Layout --- */

.page-center {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.page-padded {
    padding: 40px 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

/* --- Cards --- */

.card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 24px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.card-login {
    width: 100%;
    max-width: 420px;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

/* --- Header --- */

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

.header h1 {
    color: #00d4ff;
    font-size: 22px;
    font-weight: 700;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-user {
    color: #888;
    font-size: 14px;
}

/* --- Logo / Branding --- */

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

.logo h1 {
    color: #00d4ff;
    font-size: 28px;
    font-weight: 700;
}

.logo p {
    color: #888;
    font-size: 14px;
    margin-top: 5px;
}

/* --- Forms --- */

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

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

.form-group input {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.3);
    color: #fff;
    font-size: 16px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: #00d4ff;
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group input::placeholder {
    color: #666;
}

/* --- Buttons --- */

.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.15s, box-shadow 0.15s;
}

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

.btn-primary {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
    color: #fff;
}

.btn-primary:hover {
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.btn-back {
    color: #888;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 8px 16px;
    font-size: 13px;
    text-decoration: none;
}

.btn-back:hover {
    border-color: #00d4ff;
    color: #00d4ff;
}

.btn-logout {
    color: #888;
    text-decoration: none;
    padding: 8px 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    font-size: 13px;
    transition: border-color 0.2s, color 0.2s;
}

.btn-logout:hover {
    border-color: #ff5252;
    color: #ff5252;
}

/* --- Alerts --- */

.error {
    background: rgba(255, 82, 82, 0.1);
    border: 1px solid rgba(255, 82, 82, 0.3);
    color: #ff5252;
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
    font-size: 14px;
}

.info {
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.2);
    color: #88ccdd;
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
    font-size: 14px;
}

/* --- Document List --- */

.doc-list {
    list-style: none;
    padding: 0;
}

.doc-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    margin-bottom: 10px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: border-color 0.2s, background 0.2s;
}

.doc-item:hover {
    border-color: rgba(0, 212, 255, 0.3);
    background: rgba(0, 0, 0, 0.3);
}

.doc-item a {
    color: #e0e0e0;
    text-decoration: none;
    font-weight: 500;
    flex: 1;
}

.doc-item a:hover {
    color: #00d4ff;
}

/* --- Classification Badges --- */

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.badge-top-secret {
    background: rgba(255, 82, 82, 0.15);
    color: #ff5252;
    border: 1px solid rgba(255, 82, 82, 0.3);
}

.badge-internal {
    background: rgba(255, 193, 7, 0.15);
    color: #ffc107;
    border: 1px solid rgba(255, 193, 7, 0.3);
}

.badge-public {
    background: rgba(0, 230, 118, 0.15);
    color: #00e676;
    border: 1px solid rgba(0, 230, 118, 0.3);
}

.badge-role {
    background: rgba(0, 212, 255, 0.2);
    color: #00d4ff;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    margin-top: 8px;
}

/* --- Document View --- */

.doc-view {
    margin-top: 8px;
}

.doc-view h2 {
    color: #fff;
    font-size: 22px;
    margin-bottom: 16px;
}

.doc-meta {
    display: flex;
    gap: 16px;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.doc-meta span {
    color: #888;
    font-size: 13px;
}

.doc-content {
    background: rgba(0, 0, 0, 0.3);
    padding: 24px;
    border-radius: 10px;
    font-size: 15px;
    line-height: 1.6;
    color: #d0d0d0;
    border: 1px solid rgba(255, 255, 255, 0.05);
    word-break: break-word;
}

.doc-content-flag {
    font-family: 'Courier New', monospace;
    font-size: 18px;
    color: #00ff88;
}

/* --- Welcome section --- */

.welcome h2 {
    color: #fff;
    font-size: 24px;
    margin-bottom: 8px;
}

.welcome p {
    color: #888;
    margin-bottom: 4px;
}

/* --- Footer --- */

.footer {
    text-align: center;
    margin-top: 24px;
    color: #555;
    font-size: 12px;
}

.hint {
    text-align: center;
    margin-top: 16px;
    color: #555;
    font-size: 12px;
}

.hint code {
    color: #888;
    background: rgba(255, 255, 255, 0.05);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 12px;
}

/* --- Empty state --- */

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: #666;
}

.empty-state p {
    font-size: 15px;
}