/* ==========================================================================
   Signature Manager — stylesheet
   ========================================================================== */

:root {
    --c-bg: #f5f6f8;
    --c-surface: #ffffff;
    --c-surface-alt: #f9fafb;
    --c-border: #e4e7eb;
    --c-border-strong: #cbd2d9;
    --c-text: #1f2933;
    --c-text-muted: #7b8794;
    --c-primary: #2563eb;
    --c-primary-hover: #1d4ed8;
    --c-success: #16a34a;
    --c-warn: #d97706;
    --c-danger: #dc2626;
    --c-danger-hover: #b91c1c;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
        Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    font-family: var(--font);
    font-size: 14px;
    line-height: 1.5;
    color: var(--c-text);
    background: var(--c-bg);
}

h1, h2, h3, h4 { margin: 0 0 12px; font-weight: 600; line-height: 1.3; }
h1 { font-size: 22px; }
h2 { font-size: 18px; }
h3 { font-size: 16px; }
h4 { font-size: 14px; color: var(--c-text-muted); text-transform: uppercase; letter-spacing: 0.04em; margin-top: 20px; }

a { color: var(--c-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

code {
    background: #eef2f7;
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 0.88em;
    font-family: "SF Mono", Menlo, Consolas, monospace;
}

.muted { color: var(--c-text-muted); }
.small { font-size: 12px; }
.text-center { text-align: center; }

/* ============ AUTH (login + setup) ============ */
.auth-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #e0e7ff 0%, #f5f6f8 50%, #dcfce7 100%);
    padding: 20px;
}

.auth-card {
    background: var(--c-surface);
    padding: 36px 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    width: 100%;
    max-width: 420px;
}

.auth-card h1 { margin-bottom: 4px; }
.auth-card .muted { margin-bottom: 24px; }

/* ============ APP SHELL ============ */
.app-body { background: var(--c-bg); min-height: 100vh; }

.app-shell {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: #0f172a;
    color: #e2e8f0;
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.brand {
    padding: 0 8px 16px;
    border-bottom: 1px solid #1e293b;
    display: flex;
    flex-direction: column;
}
.brand strong { color: #fff; font-size: 16px; }
.brand span { color: #94a3b8; font-size: 12px; letter-spacing: 0.05em; text-transform: uppercase; }

.nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.nav-item {
    padding: 10px 12px;
    border-radius: 6px;
    color: #cbd5e1;
    font-size: 14px;
    transition: background 0.15s, color 0.15s;
}
.nav-item:hover { background: #1e293b; color: #fff; text-decoration: none; }
.nav-item.active { background: var(--c-primary); color: #fff; }

.sidebar-footer {
    border-top: 1px solid #1e293b;
    padding-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.user-block { padding: 0 8px; }
.user-name { color: #fff; font-size: 13px; font-weight: 500; }
.user-role { color: #64748b; font-size: 11px; text-transform: uppercase; }

.main { display: flex; flex-direction: column; min-width: 0; }

.topbar {
    background: var(--c-surface);
    padding: 16px 32px;
    border-bottom: 1px solid var(--c-border);
    box-shadow: var(--shadow-sm);
}
.topbar h1 { margin: 0; }

.content { padding: 28px 32px; max-width: 1400px; display: flex; flex-direction: column; gap: 20px; }

/* ============ CARDS & LAYOUT ============ */
.card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 20px 24px;
    box-shadow: var(--shadow-sm);
}
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
}
.card-header h2 { margin: 0; }

.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

@media (max-width: 1000px) {
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

.actions-row { display: flex; gap: 8px; flex-wrap: wrap; }
.flex-row { display: flex; gap: 8px; align-items: center; }

/* ============ STATS ============ */
.stat-card { text-align: left; display: flex; flex-direction: column; gap: 6px; }
.stat-label { font-size: 12px; text-transform: uppercase; color: var(--c-text-muted); letter-spacing: 0.04em; }
.stat-value { font-size: 32px; font-weight: 700; color: var(--c-text); }
.stat-link { font-size: 13px; margin-top: 4px; }

/* ============ FORMS ============ */
.form { display: flex; flex-direction: column; gap: 14px; }
.form label {
    display: flex;
    flex-direction: column;
    font-size: 13px;
    color: var(--c-text);
    font-weight: 500;
    gap: 4px;
}
.form label.checkbox {
    flex-direction: row;
    align-items: center;
    gap: 8px;
    font-weight: 400;
}
input[type="text"], input[type="email"], input[type="password"],
input[type="tel"], input[type="url"], input[type="file"], select, textarea {
    padding: 9px 12px;
    border: 1px solid var(--c-border-strong);
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    background: #fff;
    transition: border-color 0.15s, box-shadow 0.15s;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--c-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* ============ BUTTONS ============ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--c-surface);
    border: 1px solid var(--c-border-strong);
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    font-weight: 500;
    color: var(--c-text);
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
    text-decoration: none;
}
.btn:hover { background: var(--c-surface-alt); border-color: var(--c-border); text-decoration: none; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

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

.btn-danger { background: #fff; border-color: var(--c-danger); color: var(--c-danger); }
.btn-danger:hover { background: var(--c-danger); color: #fff; }

.btn-ghost { background: transparent; border-color: transparent; color: var(--c-text-muted); }
.btn-ghost:hover { background: var(--c-surface-alt); color: var(--c-text); }

.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-block { width: 100%; }

/* ============ TABLE ============ */
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.table th, .table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--c-border);
    vertical-align: middle;
}
.table th {
    background: var(--c-surface-alt);
    font-weight: 600;
    color: var(--c-text-muted);
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.04em;
}
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: var(--c-surface-alt); }
.col-actions { white-space: nowrap; text-align: right; }
.col-actions .btn { margin-left: 4px; }

.table-compact th, .table-compact td { padding: 6px 8px; font-size: 12px; }

/* ============ BADGES ============ */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
.badge-admin { background: #ede9fe; color: #5b21b6; }
.badge-user { background: #dbeafe; color: #1e40af; }
.badge-active { background: #dcfce7; color: #15803d; }
.badge-inactive { background: #f1f5f9; color: #64748b; }

/* ============ ALERTS ============ */
.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 13px;
    border: 1px solid transparent;
}
.alert-error { background: #fef2f2; border-color: #fecaca; color: #991b1b; }
.alert-success { background: #f0fdf4; border-color: #bbf7d0; color: #166534; }
.alert-warn { background: #fffbeb; border-color: #fde68a; color: #92400e; }

/* ============ MODAL ============ */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
    animation: fadeIn 0.15s ease;
}
.modal[hidden] { display: none; }

.modal-dialog {
    background: var(--c-surface);
    border-radius: var(--radius-lg);
    padding: 24px 28px;
    max-width: 480px;
    width: 100%;
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.2);
    animation: slideUp 0.2s ease;
}
.modal-dialog h3 { margin-bottom: 16px; }

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 8px;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* ============ TOASTS ============ */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 400px;
}
.toast {
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 13px;
    color: #fff;
    box-shadow: var(--shadow-md);
    animation: slideIn 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}
.toast-success { background: var(--c-success); }
.toast-error { background: var(--c-danger); }
.toast-info { background: #334155; }

@keyframes slideIn { from { transform: translateX(400px); } to { transform: translateX(0); } }

/* ============ POOL DE BANNIERES ============ */
.banner-pool {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
}
.banner-card {
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    background: var(--c-surface-alt);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.banner-card-thumb {
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80px;
    border-bottom: 1px solid var(--c-border);
    padding: 8px;
}
.banner-card-thumb img {
    max-width: 100%;
    max-height: 100px;
    display: block;
}
.banner-card-body { padding: 10px 12px; display: flex; flex-direction: column; gap: 6px; }
.banner-card-label {
    font-weight: 500;
    cursor: pointer;
    padding: 2px 0;
    border-bottom: 1px dashed transparent;
}
.banner-card-label:hover { border-bottom-color: var(--c-border-strong); }
.banner-card-meta { font-size: 11px; }
.banner-card-actions { margin-top: 4px; display: flex; justify-content: flex-end; }

.assigned-preview { margin-top: 6px; }
.assigned-preview img {
    max-height: 40px;
    border: 1px solid var(--c-border);
    border-radius: 4px;
    display: block;
    max-width: 200px;
}

.url-copy-inline {
    display: flex;
    align-items: center;
    gap: 6px;
}
.url-copy-inline code {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 320px;
    display: inline-block;
    font-size: 11px;
}

.user-banner-cell {
    display: flex;
    align-items: center;
    gap: 8px;
}
.user-banner-cell img {
    height: 28px;
    max-width: 90px;
    border: 1px solid var(--c-border);
    border-radius: 3px;
}

.users-banner-table tbody tr:hover { background: var(--c-surface-alt); }

.bulk-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    margin-bottom: 12px;
    background: #eef2ff;
    border: 1px solid #c7d2fe;
    border-radius: var(--radius);
    opacity: 0.55;
    transition: opacity 0.15s, background 0.15s;
}
.bulk-bar.active {
    opacity: 1;
    background: #e0e7ff;
}
.bulk-bar select {
    flex: 0 1 260px;
}

.inline-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.inline-label select { margin: 0; }

/* ============ BANNIERES (générateur + legacy) ============ */
.banner-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 24px;
}
@media (max-width: 900px) {
    .banner-layout { grid-template-columns: 1fr; }
}

.banner-img {
    max-width: 100%;
    border: 1px solid var(--c-border);
    border-radius: 6px;
    display: block;
    background: #f1f5f9;
}
.banner-thumb {
    height: 40px;
    border: 1px solid var(--c-border);
    border-radius: 4px;
    display: block;
}
.banner-empty {
    padding: 40px 20px;
    background: var(--c-surface-alt);
    border: 1px dashed var(--c-border-strong);
    border-radius: 6px;
    text-align: center;
    color: var(--c-text-muted);
}

.url-copy {
    background: var(--c-surface-alt);
    padding: 12px;
    border-radius: 6px;
    border: 1px solid var(--c-border);
}
.url-copy input {
    width: 100%;
    background: #fff;
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 12px;
}
.url-copy .flex-row { margin-top: 6px; }
.url-copy .flex-row input { flex: 1; }

.deploy-instructions {
    margin-top: 20px;
    padding: 14px 16px;
    background: var(--c-surface-alt);
    border-radius: 6px;
    border: 1px solid var(--c-border);
}
.deploy-instructions summary { font-weight: 500; cursor: pointer; }
.deploy-instructions ol { margin: 12px 0 4px 20px; }
.deploy-instructions li { margin-bottom: 4px; }

.group-banner-block + .group-banner-block { margin-top: 4px; }

/* ============ SIGNATURE GENERATOR ============ */
.signature-layout {
    display: grid;
    grid-template-columns: 420px 1fr;
    gap: 20px;
    align-items: start;
}
@media (max-width: 1100px) {
    .signature-layout { grid-template-columns: 1fr; }
}

.signature-preview {
    padding: 20px;
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: 6px;
    min-height: 140px;
    overflow-x: auto;
}

.help-block {
    margin-top: 14px;
    padding: 12px 14px;
    background: var(--c-surface-alt);
    border: 1px solid var(--c-border);
    border-radius: 6px;
    font-size: 13px;
}
.help-block summary { font-weight: 500; cursor: pointer; }
.help-block ol { margin: 10px 0 0 20px; }
.help-block li { margin-bottom: 4px; }

/* ============ RESPONSIVE GLOBAL ============ */
@media (max-width: 800px) {
    .app-shell { grid-template-columns: 1fr; }
    .sidebar {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
        padding: 12px 16px;
        gap: 10px;
    }
    .brand { border-bottom: none; padding: 0; flex-direction: row; align-items: baseline; gap: 6px; }
    .nav { flex-direction: row; flex-wrap: wrap; flex: 1 1 100%; order: 3; }
    .sidebar-footer { order: 2; border-top: none; padding-top: 0; flex-direction: row; gap: 10px; align-items: center; }
    .topbar, .content { padding: 16px; }
}