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

:root {
    --bg: #f5f7fb;
    --card: #ffffff;
    --border: #dbe3ee;
    --text: #1f2937;
    --muted: #6b7280;
    --primary: #2f80ed;
    --primary-dark: #1c6ed6;
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --hover: #eef5ff;
}

body {
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.5;
}

/* LINKS */
a {
    text-decoration: none;
    color: inherit;
}

/* LAYOUT */
.wrapper {
    min-height: 100vh;
}

.container {
    max-width: 1380px;
    margin: 0 auto;
    padding: 24px;
}

/* TOP NAV */
.topbar {
    background: white;
    border-bottom: 1px solid var(--border);
    padding: 14px 24px;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.topbar-inner {
    max-width: 1380px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.brand {
    font-size: 22px;
    font-weight: 800;
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.nav-links a {
    padding: 10px 16px;
    border-radius: 10px;
    color: var(--muted);
    font-weight: 600;
    transition: 0.2s ease;
}

.nav-links a:hover {
    background: var(--hover);
    color: var(--primary);
}

/* PAGE */
.page-title {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 24px;
}

/* CARDS */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 20px;
    box-shadow: 0 4px 18px rgba(16, 24, 40, 0.04);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
}

.stat-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 22px;
}

.stat-label {
    color: var(--muted);
    font-size: 13px;
    font-weight: 600;
}

.stat-number {
    font-size: 30px;
    font-weight: 800;
    margin-top: 10px;
}

/* FORM BAR */
.inline-form {
    display: grid;
    grid-template-columns: 1fr 220px 220px 160px;
    gap: 12px;
    align-items: center;
}

input,
textarea,
select {
    width: 100%;
    border: 1px solid var(--border);
    background: white;
    padding: 13px 14px;
    border-radius: 10px;
    font-size: 14px;
    outline: none;
    transition: 0.2s;
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(47, 128, 237, 0.12);
}

/* BUTTONS */
.btn {
    border: none;
    padding: 12px 18px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 700;
    font-size: 14px;
    transition: 0.2s ease;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

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

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-light {
    background: #eef4ff;
    color: var(--primary);
}

/* TABLE */
.table-card {
    margin-top: 20px;
    overflow: hidden;
}

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 980px;
    background: white;
}

thead {
    background: #eef4fb;
}

th {
    text-align: left;
    padding: 14px 16px;
    font-size: 13px;
    color: #4b5563;
    font-weight: 700;
    border-bottom: 1px solid var(--border);
}

td {
    padding: 16px;
    border-bottom: 1px solid #edf2f7;
    vertical-align: middle;
}

tbody tr:hover {
    background: #f8fbff;
}

/* SHORT URL */
.short-url {
    color: var(--primary);
    font-weight: 600;
    word-break: break-word;
}

.target-url {
    color: var(--muted);
    font-size: 12px;
    margin-top: 4px;
    word-break: break-word;
}

/* BADGES */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
}

.badge-click {
    background: #eaf3ff;
    color: var(--primary);
}

/* ACTIONS */
.actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.action-btn {
    border: 1px solid var(--border);
    background: white;
    padding: 8px 10px;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.2s ease;
    font-size: 13px;
    font-weight: 600;
}

.action-btn:hover {
    background: #f4f8ff;
    border-color: #c9daf7;
}

.edit-btn {
    color: var(--primary);
}

.copy-btn {
    color: var(--success);
}

.delete-btn {
    color: var(--danger);
}

/* LOGIN */
.auth-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-box {
    width: 100%;
    max-width: 420px;
}

.auth-title {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 20px;
}

.form-grid {
    display: grid;
    gap: 14px;
}

/* TOAST */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: #111827;
    color: white;
    padding: 14px 18px;
    border-radius: 10px;
    opacity: 0;
    transform: translateY(20px);
    transition: 0.3s ease;
    z-index: 9999;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

/* BIO PAGE */
.bio-wrap {
    max-width: 560px;
    margin: auto;
    padding: 50px 20px;
    text-align: center;
}

.bio-avatar {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
}

.bio-title {
    font-size: 30px;
    font-weight: 800;
}

.bio-desc {
    margin: 12px 0 28px;
    color: var(--muted);
}

.bio-links {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.bio-btn {
    background: white;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 16px;
    font-weight: 700;
    transition: 0.2s ease;
}

.bio-btn:hover {
    background: #f8fbff;
    border-color: #c9daf7;
}

/* MOBILE */
@media (max-width: 1024px) {
    .inline-form {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .topbar-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .page-title {
        font-size: 24px;
    }

    .container {
        padding: 16px;
    }

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

    table {
        min-width: 700px;
    }
}