/* ============================================
   Outreach - Marketing Outreach Web App Styles
   ============================================ */

:root {
    --sidebar-width: 250px;
    --sidebar-bg: #1e293b;
    --sidebar-hover: #334155;
    --sidebar-active: #3b82f6;
    --sidebar-text: #cbd5e1;
    --sidebar-text-active: #ffffff;
    --primary-blue: #3b82f6;
    --primary-blue-hover: #2563eb;
    --body-bg: #f1f5f9;
    --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
    --card-shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);
    --transition-speed: 0.2s;
}

/* ---- Global ---- */

body {
    background-color: var(--body-bg);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* ---- Sidebar ---- */

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background-color: var(--sidebar-bg);
    color: var(--sidebar-text);
    z-index: 1040;
    padding: 0;
    overflow-y: auto;
}

.sidebar-brand {
    padding: 1.25rem 1.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    letter-spacing: 0.02em;
}

.sidebar-nav {
    padding: 1rem 0;
}

.sidebar-nav .nav-link {
    color: var(--sidebar-text);
    padding: 0.65rem 1.5rem;
    font-size: 0.925rem;
    border-left: 3px solid transparent;
    transition: all var(--transition-speed) ease;
}

.sidebar-nav .nav-link:hover {
    background-color: var(--sidebar-hover);
    color: #fff;
}

.sidebar-nav .nav-link.active {
    background-color: rgba(59, 130, 246, 0.12);
    color: var(--sidebar-text-active);
    border-left-color: var(--sidebar-active);
    font-weight: 500;
}

.sidebar-nav .nav-link i {
    width: 1.25rem;
    text-align: center;
}

.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* ---- Main Content ---- */

.main-content {
    margin-left: var(--sidebar-width);
    padding: 2rem 2.5rem;
    min-height: 100vh;
}

/* ---- Cards ---- */

.card {
    border: none;
    border-radius: 0.625rem;
    box-shadow: var(--card-shadow);
    transition: box-shadow var(--transition-speed) ease;
}

.card-header {
    background-color: #fff;
    border-bottom: 1px solid #e2e8f0;
    padding: 1rem 1.25rem;
    font-weight: 500;
}

.campaign-card {
    cursor: default;
}

.campaign-card:hover {
    box-shadow: var(--card-shadow-hover);
}

.card-stats {
    font-size: 0.875rem;
}

/* ---- Stats Cards ---- */

.stats-card .card-body {
    padding: 1.5rem;
}

.stats-icon {
    font-size: 1.75rem;
}

.stats-card h3 {
    font-size: 2rem;
    font-weight: 700;
}

/* ---- Settings Cards ---- */

.settings-card .card-body {
    padding: 1.5rem;
}

/* ---- Status Badges ---- */

.badge {
    font-weight: 500;
    letter-spacing: 0.02em;
    padding: 0.375em 0.65em;
}

/* ---- Empty State ---- */

.empty-state {
    max-width: 480px;
    margin: 0 auto;
}

.empty-state-icon {
    font-size: 4rem;
    color: #94a3b8;
}

.empty-state-icon i {
    display: inline-block;
    padding: 1.5rem;
    background-color: #e2e8f0;
    border-radius: 50%;
}

/* ---- Tables ---- */

.table {
    font-size: 0.925rem;
}

.table thead th {
    font-weight: 600;
    color: #475569;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    border-bottom-width: 1px;
    padding: 0.75rem 1rem;
}

.table tbody td {
    padding: 0.75rem 1rem;
    vertical-align: middle;
}

/* ---- Draft Cards ---- */

.draft-card {
    transition: box-shadow var(--transition-speed) ease;
}

.draft-card:hover {
    box-shadow: var(--card-shadow-hover);
}

.draft-card .card-header {
    padding: 0.75rem 1.25rem;
}

.draft-card .form-control[readonly] {
    background-color: #f8fafc;
    border-color: #e2e8f0;
}

.draft-field {
    font-size: 0.925rem;
}

/* ---- Bulk Action Bar ---- */

.bulk-action-bar {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: #fff;
}

.bulk-action-bar .card-body {
    padding: 0.75rem 1.25rem;
}

/* ---- Generate Button Loading State ---- */

.generate-btn .spinner-border {
    width: 1rem;
    height: 1rem;
    border-width: 0.15em;
}

.generate-btn.loading .btn-text {
    display: none;
}

.generate-btn.loading .spinner-border {
    display: inline-block !important;
}

/* ---- Flash Messages ---- */

.alert {
    border: none;
    border-radius: 0.5rem;
}

/* ---- Forms ---- */

.form-label {
    color: #334155;
    font-size: 0.925rem;
    margin-bottom: 0.375rem;
}

.form-control:focus,
.form-check-input:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.15);
}

.form-text {
    font-size: 0.825rem;
    color: #64748b;
    margin-top: 0.375rem;
}

textarea.form-control {
    resize: vertical;
}

/* ---- Buttons ---- */

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

.btn-primary:hover {
    background-color: var(--primary-blue-hover);
    border-color: var(--primary-blue-hover);
}

.btn-outline-primary {
    color: var(--primary-blue);
    border-color: var(--primary-blue);
}

.btn-outline-primary:hover {
    background-color: var(--primary-blue);
    border-color: var(--primary-blue);
}

/* ---- Spinner / Loading Animation ---- */

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 0.6s linear infinite;
}

/* ---- Test Email Result ---- */

#testEmailResult {
    font-size: 0.875rem;
    padding: 0.375rem 0.75rem;
    border-radius: 0.375rem;
}

#testEmailResult.success {
    background-color: #dcfce7;
    color: #166534;
}

#testEmailResult.error {
    background-color: #fee2e2;
    color: #991b1b;
}

/* ---- Responsive ---- */

@media (max-width: 991.98px) {
    .sidebar {
        display: none !important;
    }

    .main-content {
        margin-left: 0;
        padding: 1rem 1rem;
        padding-top: 5rem;
    }

    .bulk-action-bar {
        top: 56px;
    }
}

@media (min-width: 992px) {
    .navbar.d-lg-none {
        display: none !important;
    }
}

/* ---- Scrollbar (for sidebar) ---- */

.sidebar::-webkit-scrollbar {
    width: 4px;
}

.sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: 2px;
}

/* ---- Misc ---- */

pre {
    font-size: 0.875rem;
    color: #334155;
}

a {
    color: var(--primary-blue);
}

a:hover {
    color: var(--primary-blue-hover);
}

hr {
    color: #e2e8f0;
}