:root {
    --bg: #f4f6f8;
    --card: #ffffff;
    --text: #1d2733;
    --muted: #6b7785;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --danger: #dc2626;
    --success: #16a34a;
    --warning: #d97706;
    --border: #dde3ea;
    --radius: 12px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
}

.muted {
    color: var(--muted);
}

.small {
    font-size: 0.8rem;
    font-weight: 400;
}

.text-bad {
    color: var(--danger);
}

/* Boutons */
.btn {
    display: inline-block;
    padding: 10px 16px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
}

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

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

.btn-light {
    background: var(--card);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-small {
    padding: 6px 10px;
    font-size: 0.85rem;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-delete {
    color: var(--danger);
    border-color: #f3c4c4;
}

/* Alertes */
.alert {
    padding: 10px 12px;
    border-radius: 8px;
    margin-bottom: 16px;
}

.alert-error {
    background: #fde8e8;
    color: var(--danger);
}

.alert-success {
    background: #e7f6ec;
    color: #15803d;
}

/* Connexion */
.login {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.login-card {
    width: 100%;
    max-width: 360px;
    background: var(--card);
    padding: 28px 24px;
    border-radius: var(--radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.login-title {
    margin: 0;
    text-align: center;
}

.login-subtitle {
    margin: 4px 0 24px;
    text-align: center;
    color: var(--muted);
}

.login-card label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
}

.login-card input[type="email"],
.login-card input[type="password"] {
    width: 100%;
    padding: 10px 12px;
    margin-bottom: 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
}

/* Mise en page */
.page {
    max-width: 960px;
    margin: 0 auto;
    padding: 16px;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.topbar-title {
    margin: 0;
    font-size: 1.4rem;
}

.card {
    background: var(--card);
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
    margin-bottom: 16px;
}

.section-title {
    margin: 0 0 12px;
    font-size: 1.1rem;
}

.info-label {
    font-size: 0.8rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* Résumé */
.summary {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0 16px;
}

.summary-item {
    border-left: 5px solid var(--border);
}

.summary-item.is-good {
    border-left-color: var(--success);
}

.summary-item.is-bad {
    border-left-color: var(--danger);
}

.summary-value {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 4px 0 8px;
}

/* Sites */
.site {
    border-left: 5px solid var(--border);
}

.site-up {
    border-left-color: var(--success);
}

.site-down {
    border-left-color: var(--danger);
}

.site-paused {
    opacity: 0.65;
}

.site-head {
    display: flex;
    align-items: center;
    gap: 10px;
}

.site-title {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.site-url {
    color: var(--muted);
    font-size: 0.85rem;
    text-decoration: none;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
    background: var(--border);
}

.dot-up {
    background: var(--success);
}

.dot-down {
    background: var(--danger);
}

.badge {
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    background: #eef1f4;
    color: var(--muted);
    white-space: nowrap;
}

.badge-up {
    background: #e7f6ec;
    color: #15803d;
}

.badge-down {
    background: #fde8e8;
    color: var(--danger);
}

.site-error {
    margin: 10px 0 0;
    color: var(--danger);
    font-size: 0.9rem;
}

.site-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px 16px;
    margin: 14px 0;
}

.site-stats dt {
    font-size: 0.75rem;
    color: var(--muted);
    text-transform: uppercase;
}

.site-stats dd {
    margin: 2px 0 0;
    font-weight: 600;
}

.site-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

/* Ajout d'un site */
.add-form {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    align-items: end;
}

.field label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
}

.field input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
}

@media (min-width: 720px) {
    .summary {
        grid-template-columns: repeat(3, 1fr);
    }

    .site-stats {
        grid-template-columns: repeat(4, 1fr);
    }

    .add-form {
        grid-template-columns: 1fr 2fr auto;
    }
}