/* ================================================================
   TPM CRM-Chatbot – Dashboard CSS
   Mobile-first, WCAG 2.1 AA compliant
   ================================================================ */

:root {
    --primary: #E53935;
    --primary-dark: #C62828;
    --primary-light: #FFCDD2;
    --bg: #F5F5F5;
    --card-bg: #FFFFFF;
    --text: #212121;
    --text-light: #757575;
    --border: #E0E0E0;
    --success: #43A047;
    --warning: #FB8C00;
    --danger: #E53935;
    --info: #1E88E5;
    --sidebar-width: 250px;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-lg: 0 4px 12px rgba(0,0,0,0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
}

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

/* ── SIDEBAR ───────────────────────────────────────────────── */
.sidebar {
    position: fixed; top: 0; left: 0;
    width: var(--sidebar-width); height: 100vh;
    background: #1A1A2E; color: #FFF;
    display: flex; flex-direction: column;
    z-index: 1000;
    transition: transform 0.3s ease;
}
.sidebar-header {
    padding: 20px; display: flex; align-items: center; gap: 10px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.sidebar-logo { font-size: 24px; }
.sidebar-title { font-size: 18px; font-weight: 700; }
.sidebar-close { display: none; background: none; border: none; color: #FFF; font-size: 20px; cursor: pointer; margin-left: auto; }

.sidebar-nav { flex: 1; padding: 10px 0; overflow-y: auto; }
.nav-item {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 20px; color: rgba(255,255,255,0.7);
    font-size: 14px; transition: all 0.2s;
}
.nav-item:hover, .nav-item.active {
    background: rgba(255,255,255,0.1); color: #FFF;
}
.nav-item.active { border-left: 3px solid var(--primary); }
.nav-item i { width: 20px; text-align: center; }

.sidebar-footer {
    padding: 15px 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}
.user-badge { display: block; font-size: 13px; color: rgba(255,255,255,0.5); margin-bottom: 8px; }
.nav-item.logout { color: rgba(255,255,255,0.5); padding: 8px 0; }
.nav-item.logout:hover { color: var(--danger); background: none; }

/* ── MAIN CONTENT ──────────────────────────────────────────── */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}
.top-bar {
    background: var(--card-bg);
    padding: 16px 24px;
    display: flex; align-items: center; gap: 16px;
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 100;
}
.menu-toggle { display: none; background: none; border: none; font-size: 20px; cursor: pointer; color: var(--text); }
.page-title { font-size: 20px; font-weight: 600; }

.content-area { padding: 24px; }

/* ── CARDS ─────────────────────────────────────────────────── */
.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
    margin-bottom: 20px;
}
.card-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 16px; padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}
.card-header h2 { font-size: 16px; font-weight: 600; }

/* ── STAT BOXES ────────────────────────────────────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px; margin-bottom: 24px;
}
.stat-box {
    background: var(--card-bg); border-radius: var(--radius);
    box-shadow: var(--shadow); padding: 20px;
    display: flex; align-items: center; gap: 16px;
}
.stat-icon {
    width: 48px; height: 48px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; color: #FFF;
}
.stat-icon.red    { background: var(--primary); }
.stat-icon.green  { background: var(--success); }
.stat-icon.blue   { background: var(--info); }
.stat-icon.orange { background: var(--warning); }
.stat-value { font-size: 28px; font-weight: 700; line-height: 1; }
.stat-label { font-size: 13px; color: var(--text-light); margin-top: 2px; }

/* ── TABLE ─────────────────────────────────────────────────── */
.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; padding: 10px 12px; font-size: 12px; font-weight: 600; color: var(--text-light); text-transform: uppercase; letter-spacing: 0.5px; border-bottom: 2px solid var(--border); }
td { padding: 12px; border-bottom: 1px solid var(--border); font-size: 14px; }
tr:hover td { background: #FAFAFA; }

/* ── BADGES ────────────────────────────────────────────────── */
.badge {
    display: inline-block; padding: 3px 10px;
    border-radius: 12px; font-size: 12px; font-weight: 500;
}
.badge-donor     { background: var(--primary-light); color: var(--primary-dark); }
.badge-volunteer { background: #C8E6C9; color: #2E7D32; }
.badge-active    { background: #C8E6C9; color: #2E7D32; }
.badge-inactive  { background: #FFF9C4; color: #F57F17; }
.badge-sent      { background: #BBDEFB; color: #1565C0; }
.badge-delivered { background: #C8E6C9; color: #2E7D32; }
.badge-read      { background: #B2DFDB; color: #00695C; }
.badge-failed    { background: #FFCDD2; color: #C62828; }
.badge-queued    { background: #FFF9C4; color: #F57F17; }

/* ── FORMS ─────────────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--text-light); margin-bottom: 6px; }
.form-control {
    width: 100%; padding: 10px 12px;
    border: 1px solid var(--border); border-radius: 6px;
    font-size: 14px; font-family: inherit;
    transition: border-color 0.2s;
}
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(229,57,53,0.1); }
textarea.form-control { min-height: 100px; resize: vertical; }
select.form-control { appearance: auto; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ── BUTTONS ───────────────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 20px; border: none; border-radius: 6px;
    font-size: 14px; font-weight: 500; cursor: pointer;
    transition: all 0.2s; font-family: inherit;
}
.btn-primary { background: var(--primary); color: #FFF; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: #FFF; }
.btn-success:hover { background: #388E3C; }
.btn-danger  { background: var(--danger); color: #FFF; }
.btn-danger:hover { background: #B71C1C; }
.btn-outline {
    background: transparent; color: var(--text);
    border: 1px solid var(--border);
}
.btn-outline:hover { background: #F5F5F5; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-whatsapp { background: #25D366; color: #FFF; }
.btn-whatsapp:hover { background: #128C7E; }

.btn-group { display: flex; gap: 8px; flex-wrap: wrap; }

/* ── SEARCH & FILTERS ──────────────────────────────────────── */
.toolbar {
    display: flex; gap: 12px; margin-bottom: 20px;
    flex-wrap: wrap; align-items: center;
}
.toolbar .form-control { max-width: 300px; }
.toolbar select.form-control { max-width: 180px; }

/* ── PAGINATION ────────────────────────────────────────────── */
.pagination {
    display: flex; gap: 4px; justify-content: center;
    margin-top: 20px; flex-wrap: wrap;
}
.pagination a, .pagination span {
    padding: 8px 14px; border-radius: 6px;
    font-size: 14px; border: 1px solid var(--border);
    color: var(--text);
}
.pagination a:hover { background: #F5F5F5; }
.pagination .active { background: var(--primary); color: #FFF; border-color: var(--primary); }

/* ── ALERTS ────────────────────────────────────────────────── */
.alert {
    padding: 12px 16px; border-radius: 6px;
    margin-bottom: 16px; font-size: 14px;
}
.alert-success { background: #E8F5E9; color: #2E7D32; border-left: 4px solid var(--success); }
.alert-danger  { background: #FFEBEE; color: #C62828; border-left: 4px solid var(--danger); }
.alert-info    { background: #E3F2FD; color: #1565C0; border-left: 4px solid var(--info); }

/* ── MESSAGE COMPOSE ───────────────────────────────────────── */
.compose-preview {
    background: #ECE5DD; border-radius: var(--radius);
    padding: 16px; margin-top: 12px;
}
.preview-bubble {
    background: #DCF8C6; border-radius: 8px;
    padding: 10px 14px; max-width: 80%;
    font-size: 14px; line-height: 1.5;
    box-shadow: 0 1px 1px rgba(0,0,0,0.1);
    white-space: pre-wrap;
}

/* ── CONTACT SELECT ────────────────────────────────────────── */
.contact-select-list { max-height: 300px; overflow-y: auto; border: 1px solid var(--border); border-radius: 6px; }
.contact-select-item {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 12px; border-bottom: 1px solid var(--border);
    cursor: pointer; transition: background 0.1s;
}
.contact-select-item:hover { background: #F5F5F5; }
.contact-select-item input[type="checkbox"] { flex-shrink: 0; }
.contact-select-name { font-weight: 500; }
.contact-select-phone { font-size: 12px; color: var(--text-light); }

/* ── LOGIN ─────────────────────────────────────────────────── */
.login-page {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, #1A1A2E 0%, #16213E 50%, #0F3460 100%);
}
.login-box {
    background: var(--card-bg); border-radius: 12px;
    padding: 40px; width: 100%; max-width: 400px;
    box-shadow: var(--shadow-lg); text-align: center;
}
.login-box .sidebar-logo { font-size: 48px; display: block; margin-bottom: 8px; }
.login-box h1 { font-size: 20px; margin-bottom: 24px; color: var(--text); }
.login-box .form-group { text-align: left; }

/* ── MOBILE RESPONSIVE ─────────────────────────────────────── */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .sidebar-close { display: block; }
    .main-content { margin-left: 0; }
    .menu-toggle { display: block; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .toolbar { flex-direction: column; }
    .toolbar .form-control,
    .toolbar select.form-control { max-width: 100%; }
    .content-area { padding: 16px; }
    td, th { padding: 8px 6px; font-size: 13px; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .stat-box { padding: 14px; }
    .stat-value { font-size: 22px; }
    .btn-group { flex-direction: column; }
    .btn-group .btn { width: 100%; justify-content: center; }
}

.badge-company { background: #FFF3E0; color: #E65100; }