/* ==========================================
   URL Shortener — Clean Dark Theme
   ========================================== */

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

:root {
    --bg: #0f0f11;
    --bg-card: #1a1a1f;
    --border: #2a2a30;
    --text: #e8e6e3;
    --text-dim: #8a8884;
    --accent: #6ca4dc;
    --accent-hover: #89b8e8;
    --green: #5bb98c;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Nav */
.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 32px;
    border-bottom: 1px solid var(--border);
}
.nav-brand {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 20px;
}
.nav-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active {
    color: var(--text);
}
.nav-stat {
    font-size: 0.8rem;
    color: var(--text-dim);
    padding: 4px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
}

/* Hero */
.hero {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 24px;
    text-align: center;
}
.hero h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -1px;
}
.subtitle {
    color: var(--text-dim);
    font-size: 1.1rem;
    margin-bottom: 40px;
}

/* Shorten Form */
.shorten-form {
    display: flex;
    gap: 8px;
    width: 100%;
    max-width: 600px;
}
.shorten-form input {
    flex: 1;
    padding: 14px 18px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
}
.shorten-form input:focus {
    border-color: var(--accent);
}
.shorten-form button {
    padding: 14px 28px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}
.shorten-form button:hover {
    background: var(--accent-hover);
}
.shorten-form button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Result */
.result {
    margin-top: 32px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    width: 100%;
    max-width: 600px;
}
.result-label {
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-bottom: 8px;
}
.result-link {
    display: flex;
    align-items: center;
    gap: 10px;
}
.result-link a {
    color: var(--green);
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
}
.result-link a:hover {
    text-decoration: underline;
}
.copy-btn {
    padding: 6px 14px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-dim);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
}
.copy-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}
.result-original {
    margin-top: 10px;
    font-size: 0.8rem;
    color: var(--text-dim);
    word-break: break-all;
}

/* Dashboard */
.dashboard {
    flex: 1;
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 24px;
    width: 100%;
}
.dashboard h1 {
    font-size: 2rem;
    margin-bottom: 24px;
}
.dashboard h2 {
    font-size: 1.2rem;
    margin: 32px 0 16px;
    color: var(--text-dim);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
}
.stat-number {
    display: block;
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--accent);
}
.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-top: 4px;
}

/* Table */
.table-wrap {
    overflow-x: auto;
}
table {
    width: 100%;
    border-collapse: collapse;
}
th, td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
th {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dim);
}
td {
    font-size: 0.9rem;
}
td a {
    color: var(--accent);
    text-decoration: none;
}
td a:hover {
    text-decoration: underline;
}
.truncate {
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.empty {
    text-align: center;
    color: var(--text-dim);
    padding: 32px;
}
.empty a {
    color: var(--accent);
}

/* Footer */
.footer {
    padding: 20px 32px;
    border-top: 1px solid var(--border);
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-dim);
}
.footer a {
    color: var(--accent);
    text-decoration: none;
}

/* Responsive */
@media (max-width: 640px) {
    .hero h1 { font-size: 2rem; }
    .shorten-form { flex-direction: column; }
    .stats-grid { grid-template-columns: 1fr; }
}