/* ── Design System (Mode Clair & Sérieux par Défaut) ────── */
:root {
    /* Couleurs de fond et surfaces */
    --bg: #f8fafc;
    --surface: #ffffff;
    --surface2: #f1f5f9;
    --border: #e2e8f0;

    /* Palette Institutionnelle */
    --accent: #0f172a;        /* Noir profond/Ardoise pour les actions principales */
    --accent-fg: #ffffff;     /* Texte sur les boutons principaux */
    --accent-vif: #10b981;    /* Vert émeraude pour le succès/SSL/Actif */
    --accent2: #2563eb;       /* Bleu corporate */
    --warn: #d97706;
    --danger: #dc2626;

    /* Textes */
    --text: #0f172a;
    --muted: #64748b;

    /* Typographie */
    --sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Structure */
    --radius: 8px; /* Angles légèrement adoucis mais structurés */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

    /* Modales */
    --modal-bg: rgba(255, 255, 255, 0.95);
    --modal-blur: blur(12px);
}

/* ── Mode Sombre Automatique ────────────────────────────── */
@media (prefers-color-scheme: dark) {
    :root {
        --bg: #020617;
        --surface: #0f172a;
        --surface2: #1e293b;
        --border: #334155;

        --accent: #f8fafc;       /* Blanc pour contraster sur le fond sombre */
        --accent-fg: #0f172a;    /* Texte foncé sur les boutons blancs */
        --accent-vif: #10b981;
        --accent2: #3b82f6;
        --warn: #f59e0b;
        --danger: #ef4444;

        --text: #f8fafc;
        --muted: #94a3b8;

        --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
        --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4);
        --shadow-lg: 0 10px 25px -3px rgba(0,0,0,0.5);

        --modal-bg: rgba(15, 23, 42, 0.95);
    }
}

/* ── Reset & Base ───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: var(--sans);
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background .3s, color .3s;
    letter-spacing: -0.01em; /* Améliore la lisibilité de la police Inter */
}

h3 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* ── Typography & Forms ────────────────────────────────── */
.field { margin-bottom: 20px; }

label {
    display: block;
    font-family: var(--mono);
    font-size: .7rem;
    font-weight: 600;
    color: var(--muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-family: var(--mono);
    font-size: .9rem;
    outline: none;
    transition: all .2s;
}

input:focus {
    border-color: var(--accent-vif);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

input.error { border-color: var(--danger); }

/* ── Buttons ───────────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px;
    border: none; border-radius: var(--radius); font-family: var(--sans);
    font-size: .9rem; font-weight: 500; cursor: pointer; transition: all .2s;
    white-space: nowrap; justify-content: center;
}
.btn-sm { padding: 6px 12px; font-size: .8rem; }
.btn-icon { padding: 8px; font-size: 1.1rem; }

.btn-primary {
    background: var(--accent);
    color: var(--accent-fg);
    box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}
.btn-primary:active { transform: translateY(0); }

.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--surface2); border-color: var(--muted); }

.btn-danger { background: rgba(239, 68, 68, 0.1); color: var(--danger); }
.btn-danger:hover { background: rgba(239, 68, 68, 0.2); }

.btn-warn { background: rgba(245, 158, 11, 0.1); color: var(--warn); }
.btn-warn:hover { background: rgba(245, 158, 11, 0.2); }

.btn:disabled { opacity: .5; pointer-events: none; }

/* ── Alerts ────────────────────────────────────────────── */
.alert {
    padding: 12px 16px; border-radius: var(--radius);
    font-family: var(--mono); font-size: .8rem; margin-bottom: 20px;
    border-left: 4px solid transparent;
}
.alert-danger { background: rgba(239, 68, 68, 0.1); color: var(--danger); border-left-color: var(--danger); }
.alert-success { background: rgba(16, 185, 129, 0.1); color: var(--accent-vif); border-left-color: var(--accent-vif); }
.alert-warn { background: rgba(245, 158, 11, 0.1); color: var(--warn); border-left-color: var(--warn); }

/* ── Layout & Shell ────────────────────────────────────── */
.app { display: flex; flex-direction: column; min-height: 100vh; }

.header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 40px; height: 64px; background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 50; box-shadow: var(--shadow-sm);
}

.header-brand {
    font-size: 1.25rem; font-weight: 700; color: var(--text);
    letter-spacing: -0.03em;
}
.header-brand span { color: var(--accent-vif); }
.header-meta { display: flex; align-items: center; gap: 12px; }

/* ── Main Workspace ────────────────────────────────────── */
.main-workspace { padding: 40px 20px; flex: 1; display: flex; justify-content: center; }
.container { width: 100%; max-width: 1100px; }

/* ── Toolbar & Stats ───────────────────────────────────── */
.toolbar {
    display: flex; justify-content: space-between; align-items: flex-end;
    margin-bottom: 30px; gap: 20px; flex-wrap: wrap;
}
.stats-row { display: flex; gap: 16px; }
.stat-item {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 16px 24px; min-width: 140px; box-shadow: var(--shadow-sm);
}
.stat-val { font-size: 2rem; font-weight: 700; color: var(--text); line-height: 1; margin-bottom: 6px; letter-spacing: -0.03em;}
.stat-val.accent { color: var(--accent-vif); }
.stat-val.danger { color: var(--danger); }
.stat-lbl { font-family: var(--mono); font-size: .65rem; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; }

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

/* ── Subdomain Cards ───────────────────────────────────── */
.subdomains-grid { display: grid; gap: 16px; }
.sub-card {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 24px; transition: all .2s; box-shadow: var(--shadow-sm); position: relative; overflow: hidden;
}
.sub-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--border); }
.sub-card.selected { border-color: var(--accent-vif); background: var(--surface2); }

.sub-card-head { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 16px; }
.sub-fqdn { font-family: var(--mono); font-size: 1.1rem; color: var(--text); font-weight: 600; }
.sub-actions { display: flex; gap: 8px; }

.sub-meta {
    display: flex; flex-wrap: wrap; gap: 24px; font-family: var(--mono); font-size: .75rem;
    color: var(--muted); border-top: 1px solid var(--border); padding-top: 16px;
}
.sub-meta-item { display: flex; gap: 8px; }
.sub-meta-item .val { color: var(--text); font-weight: 500;}

/* ── Badges ────────────────────────────────────────────── */
.badge { font-family: var(--mono); font-size: .65rem; padding: 4px 10px; border-radius: 99px; font-weight: 600; }
.badge-green { background: rgba(16, 185, 129, 0.15); color: var(--accent-vif); }
.badge-blue { background: rgba(59, 130, 246, 0.15); color: var(--accent2); }
.badge-red { background: rgba(239, 68, 68, 0.15); color: var(--danger); }
.badge-warn { background: rgba(245, 158, 11, 0.15); color: var(--warn); }

/* ── Modals (Glassmorphism) ────────────────────────────── */
.modal-mask {
    position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center;
    background: rgba(0, 0, 0, 0.4); backdrop-filter: var(--modal-blur); padding: 20px;
}
.modal {
    background: var(--modal-bg);
    border: 1px solid var(--border); border-radius: 12px; padding: 40px;
    width: 100%; max-width: 500px; box-shadow: var(--shadow-lg); position: relative;
}
.modal h3 { font-size: 1.2rem; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.modal p { font-size: .85rem; color: var(--muted); margin-bottom: 24px; line-height: 1.5; }
.modal-hint { font-family: var(--mono); font-size: .7rem; color: var(--muted); margin-top: -10px; margin-bottom: 20px; }

.modal-close {
    position: absolute; top: 20px; right: 24px; background: transparent; border: none;
    font-size: 1.2rem; color: var(--muted); cursor: pointer; transition: color .2s;
}
.modal-close:hover { color: var(--text); }

.modal-actions { display: flex; gap: 12px; justify-content: flex-end; margin-top: 30px; }

.port-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.domain-preview {
    font-family: var(--mono); font-size: .8rem; color: var(--accent-vif);
    background: rgba(16, 185, 129, 0.05); border: 1px dashed rgba(16, 185, 129, 0.3);
    border-radius: var(--radius); padding: 12px 16px; margin-bottom: 20px; word-break: break-all;
}

/* ── Logs panel & Steps ────────────────────────────────── */
.logs-panel, .steps-panel {
    background: var(--surface2); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 20px; margin-top: 16px;
}
.logs-title { font-family: var(--sans); font-size: .75rem; font-weight: 600; color: var(--text); margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.5px;}
.log-entry, .step-item {
    display: flex; gap: 12px; font-family: var(--mono); font-size: .75rem;
    padding: 8px 0; border-bottom: 1px solid var(--border); align-items: center;
}
.log-entry:last-child, .step-item:last-child { border-bottom: none; }
.log-entry .ts { color: var(--muted); flex-shrink: 0; }
.log-entry .act, .step-name { color: var(--accent2); flex-shrink: 0; width: 90px; font-weight: 500; }
.log-ok, .step-ok .step-msg { color: var(--accent-vif); }
.log-err, .step-fail .step-msg { color: var(--danger); }

/* ── Login ─────────────────────────────────────────────── */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-card {
    width: 400px; background: var(--surface); border: 1px solid var(--border);
    border-radius: 12px; padding: 48px; box-shadow: var(--shadow-lg);
}
.login-logo { text-align: center; margin-bottom: 40px; }
.login-logo .brand { font-size: 2rem; font-weight: 800; color: var(--text); letter-spacing: -0.04em;}
.login-logo .brand span { color: var(--accent-vif); }
.login-logo .sub { font-family: var(--mono); font-size: .7rem; color: var(--muted); letter-spacing: 2px; text-transform: uppercase; margin-top: 8px; }

/* ── Empty State ───────────────────────────────────────── */
.empty { text-align: center; padding: 80px 20px; background: var(--surface); border: 1px dashed var(--border); border-radius: var(--radius); }
.empty-icon { font-size: 3rem; margin-bottom: 16px; opacity: 0.5; }
.empty-text { font-size: .95rem; color: var(--muted); line-height: 1.6; }

/* ── Animations & Spinners ─────────────────────────────── */
.spinner {
    display: inline-block; width: 16px; height: 16px;
    border: 2px solid rgba(128, 128, 128, 0.2);
    border-top-color: currentColor; /* S'adapte intelligemment à la couleur du texte parent */
    border-radius: 50%; animation: spin .8s linear infinite; flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

.fade-enter-active, .fade-leave-active { transition: opacity .2s ease; }
.fade-enter-from, .fade-leave-to { opacity: 0; }
.slide-enter-active, .slide-leave-active { transition: all .25s cubic-bezier(0.16, 1, 0.3, 1); }
.slide-enter-from, .slide-leave-to { opacity: 0; transform: translateY(10px); }