/* =====================================================
   NBM WhatsApp CRM - App Stylesheet
   Theme: Navy + Electric Blue (matching NBM CRM design)
   ===================================================== */

:root {
    --nbm-navy:        #0a1e3f;
    --nbm-navy-dark:   #061229;
    --nbm-blue:        #2563eb;
    --nbm-electric:    #3b82f6;
    --nbm-cyan:        #06b6d4;
    --nbm-accent:      #38bdf8;
    --nbm-success:     #10b981;
    --nbm-warning:     #f59e0b;
    --nbm-danger:      #ef4444;
    --nbm-info:        #0ea5e9;
    --nbm-bg:          #f4f7fb;
    --nbm-surface:     #ffffff;
    --nbm-border:      #e2e8f0;
    --nbm-muted:       #64748b;
    --nbm-text:        #0f172a;

    --sidebar-w:       260px;
    --header-h:        62px;
    --radius:          12px;
    --shadow-sm:       0 1px 2px rgba(15, 23, 42, 0.05);
    --shadow:          0 4px 12px rgba(15, 23, 42, 0.08);
    --shadow-lg:       0 12px 32px rgba(15, 23, 42, 0.12);
    --transition:      all 0.2s ease;
}

* { box-sizing: border-box; }

body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; }

.app-body {
    background: var(--nbm-bg);
    color: var(--nbm-text);
    margin: 0;
    min-height: 100vh;
}

/* ============ APP SHELL ============ */
.app-shell {
    display: flex;
    min-height: 100vh;
}

/* ============ SIDEBAR ============ */
.app-sidebar {
    width: var(--sidebar-w);
    background: linear-gradient(180deg, var(--nbm-navy) 0%, var(--nbm-navy-dark) 100%);
    color: #cbd5e1;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 1000;
    overflow-y: auto;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.brand-logo {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--nbm-blue), var(--nbm-cyan));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 22px;
    box-shadow: 0 4px 12px rgba(59,130,246,0.4);
}
.brand-title { font-weight: 700; font-size: 16px; color: white; line-height: 1.2; }
.brand-sub { font-size: 11px; color: #94a3b8; }

.sidebar-nav { flex: 1; padding: 12px 8px; }
.nav-section {
    font-size: 11px;
    color: #64748b;
    text-transform: uppercase;
    font-weight: 600;
    padding: 12px 12px 6px;
    letter-spacing: 0.6px;
}
.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 8px;
    color: #cbd5e1 !important;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    margin-bottom: 2px;
}
.nav-link i { font-size: 17px; width: 20px; text-align: center; }
.nav-link:hover {
    background: rgba(59,130,246,0.12);
    color: white !important;
}
.nav-link.active {
    background: linear-gradient(90deg, var(--nbm-blue), rgba(59,130,246,0.3));
    color: white !important;
    box-shadow: 0 4px 12px rgba(59,130,246,0.25);
}
.nav-link.disabled {
    opacity: 0.45;
    cursor: not-allowed;
    pointer-events: none;
}
.nav-link.disabled:hover { background: transparent; }
.badge-soon {
    margin-left: auto;
    font-size: 9px;
    background: rgba(255,255,255,0.1);
    padding: 2px 6px;
    border-radius: 8px;
    color: #94a3b8;
}

.sidebar-footer {
    padding: 12px;
    border-top: 1px solid rgba(255,255,255,0.08);
}
.user-chip {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    border-radius: 8px;
    background: rgba(255,255,255,0.04);
}
.user-avatar {
    width: 36px; height: 36px; border-radius: 50%;
    background: linear-gradient(135deg, var(--nbm-electric), var(--nbm-cyan));
    color: white; display: flex; align-items: center; justify-content: center;
    font-weight: 700;
}
.user-info { flex: 1; min-width: 0; }
.user-name { color: white; font-size: 13px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-role { color: #94a3b8; font-size: 11px; }
.user-menu-btn { background: none; border: none; color: #94a3b8; padding: 4px; cursor: pointer; }

/* ============ MAIN CONTENT ============ */
.app-main {
    flex: 1;
    margin-left: var(--sidebar-w);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.app-header {
    height: var(--header-h);
    background: var(--nbm-surface);
    border-bottom: 1px solid var(--nbm-border);
    display: flex;
    align-items: center;
    padding: 0 24px;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}
.sidebar-toggle {
    background: none; border: none; font-size: 22px;
    color: var(--nbm-text); padding: 4px 8px; margin-right: 12px;
}
.header-title { flex: 1; }
.header-title h1 {
    font-size: 18px; font-weight: 600; margin: 0; color: var(--nbm-text);
}
.header-actions { display: flex; align-items: center; gap: 16px; }
.header-clock { font-size: 12px; color: var(--nbm-muted); }

.flash-container { padding: 16px 24px 0; }
.app-content { flex: 1; padding: 24px; }

/* ============ STAT CARDS (animated, NBM signature) ============ */
.stat-card {
    background: var(--nbm-surface);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--nbm-blue);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}
.stat-card::before {
    content: '';
    position: absolute;
    top: 0; right: 0; width: 80px; height: 80px;
    background: radial-gradient(circle, rgba(59,130,246,0.08), transparent 70%);
    border-radius: 50%;
    transform: translate(20px,-20px);
}
.stat-icon {
    width: 52px; height: 52px;
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 24px; color: white; flex-shrink: 0;
}
.stat-content { flex: 1; min-width: 0; }
.stat-label { font-size: 12px; color: var(--nbm-muted); text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600; }
.stat-value { font-size: 28px; font-weight: 700; color: var(--nbm-text); margin-top: 4px; line-height: 1.1; }

.stat-card-primary { border-left-color: var(--nbm-blue); }
.stat-card-primary .stat-icon { background: linear-gradient(135deg, var(--nbm-blue), var(--nbm-electric)); }
.stat-card-success { border-left-color: var(--nbm-success); }
.stat-card-success .stat-icon { background: linear-gradient(135deg, #059669, var(--nbm-success)); }
.stat-card-warning { border-left-color: var(--nbm-warning); }
.stat-card-warning .stat-icon { background: linear-gradient(135deg, #d97706, var(--nbm-warning)); }
.stat-card-info { border-left-color: var(--nbm-info); }
.stat-card-info .stat-icon { background: linear-gradient(135deg, var(--nbm-info), var(--nbm-cyan)); }

/* ============ CONTENT CARDS ============ */
.content-card {
    background: var(--nbm-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--nbm-border);
    overflow: hidden;
}
.content-card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--nbm-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}
.content-card-header h5 {
    margin: 0; font-size: 15px; font-weight: 600; color: var(--nbm-text);
}
.content-card-body { padding: 20px; }
.content-card-body.p-0 { padding: 0; }

/* ============ EMPTY STATE ============ */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--nbm-muted);
}
.empty-state i {
    font-size: 56px;
    color: var(--nbm-border);
    display: block;
    margin-bottom: 16px;
}

/* ============ PHASE CHECKLIST ============ */
.phase-checklist .phase-item {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 0; font-size: 14px;
}
.phase-checklist .phase-item i { font-size: 18px; }
.phase-checklist .phase-item.done { color: var(--nbm-success); }
.phase-checklist .phase-item.done i { color: var(--nbm-success); }
.phase-checklist .phase-item.pending { color: var(--nbm-muted); }

/* ============ TABLES ============ */
.table { font-size: 14px; margin: 0; }
.table thead th {
    background: #f8fafc;
    color: var(--nbm-muted);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
    border-bottom: 2px solid var(--nbm-border);
    padding: 12px 16px;
}
.table tbody td { padding: 12px 16px; vertical-align: middle; border-color: var(--nbm-border); }
.table tbody tr:hover { background: #f8fafc; }

/* ============ AUTH PAGE ============ */
.auth-body {
    background: linear-gradient(135deg, var(--nbm-navy) 0%, var(--nbm-blue) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
}
.auth-body::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(56,189,248,0.15), transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(59,130,246,0.15), transparent 40%);
}
.auth-stage {
    width: 100%;
    max-width: 440px;
    position: relative;
    z-index: 1;
}
.auth-card {
    background: var(--nbm-surface);
    border-radius: 16px;
    padding: 36px 32px;
    box-shadow: 0 24px 48px rgba(0,0,0,0.25);
}
.auth-brand { text-align: center; margin-bottom: 28px; }
.auth-brand-logo {
    width: 64px; height: 64px;
    margin: 0 auto 14px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--nbm-blue), var(--nbm-cyan));
    display: flex; align-items: center; justify-content: center;
    color: white; font-size: 32px;
    box-shadow: 0 8px 24px rgba(59,130,246,0.35);
}
.auth-brand h1 { font-size: 20px; font-weight: 700; margin: 0; color: var(--nbm-text); }
.auth-brand p { color: var(--nbm-muted); font-size: 13px; margin: 6px 0 0; }
.auth-form .form-label { font-size: 13px; font-weight: 500; color: var(--nbm-text); }
.auth-form .input-group-text { background: #f8fafc; border-color: var(--nbm-border); color: var(--nbm-muted); }
.auth-form .form-control { border-color: var(--nbm-border); padding: 10px 12px; }
.auth-form .btn-primary {
    background: linear-gradient(135deg, var(--nbm-blue), var(--nbm-electric));
    border: none;
    padding: 12px;
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(59,130,246,0.35);
}
.auth-form .btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(59,130,246,0.45);
}
.auth-hint {
    background: #f8fafc;
    border: 1px dashed var(--nbm-border);
    border-radius: 8px;
    padding: 12px;
    font-size: 12px;
    color: var(--nbm-muted);
}
.auth-hint code { background: #fff; padding: 2px 6px; border-radius: 4px; color: var(--nbm-blue); }
.auth-footer { text-align: center; margin-top: 24px; color: var(--nbm-muted); }

.auth-stage-wide { max-width: 920px; }
.auth-card-wide { padding: 32px 28px; }
.register-section-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--nbm-text);
    margin: 0 0 4px;
}
.register-section-sub { margin-bottom: 12px; }
.register-plan-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}
.register-plan-card {
    display: block;
    cursor: pointer;
    margin: 0;
}
.register-plan-radio {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}
.register-plan-inner {
    border: 2px solid var(--nbm-border);
    border-radius: 12px;
    padding: 14px;
    height: 100%;
    transition: border-color 0.15s, box-shadow 0.15s;
    background: #fff;
}
.register-plan-card.selected .register-plan-inner,
.register-plan-card:hover .register-plan-inner {
    border-color: var(--nbm-blue);
    box-shadow: 0 4px 16px rgba(59,130,246,0.12);
}
.register-plan-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 6px;
}
.register-plan-badge {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    background: linear-gradient(135deg, var(--nbm-blue), var(--nbm-cyan));
    color: #fff;
    padding: 2px 8px;
    border-radius: 999px;
}
.register-plan-price {
    font-size: 20px;
    font-weight: 700;
    color: var(--nbm-text);
    line-height: 1.2;
}
.register-plan-price small {
    font-size: 12px;
    font-weight: 500;
    color: var(--nbm-muted);
}
.register-plan-limits {
    list-style: none;
    padding: 0;
    margin: 0;
}
.register-plan-limits li { padding: 2px 0; }
@media (max-width: 575px) {
    .auth-card-wide { padding: 24px 18px; }
    .register-plan-grid { grid-template-columns: 1fr; }
}

/* ============ BILLING INVOICE ============ */
.billing-invoice-header {
    background: #f8fafc;
    border: 1px solid var(--nbm-border);
    border-radius: 10px;
    padding: 16px 20px;
}
.billing-invoice-title {
    font-weight: 700;
    color: var(--nbm-text);
    margin: 0;
}
.billing-invoice-meta {
    font-size: 0.875rem;
    color: var(--nbm-muted);
    margin: 0;
}
.legal-footer-text {
    color: var(--nbm-muted);
    font-size: 0.8rem;
}
.app-legal-footer {
    text-align: center;
    padding: 16px 0 8px;
    border-top: 1px solid var(--nbm-border);
    margin-top: 24px;
}

/* ============ BUTTONS ============ */
.btn { font-weight: 500; border-radius: 8px; }
.btn-primary {
    background: var(--nbm-blue);
    border-color: var(--nbm-blue);
}
.btn-primary:hover {
    background: var(--nbm-electric);
    border-color: var(--nbm-electric);
}

/* ============ FORMS ============ */
.form-control:focus, .form-select:focus {
    border-color: var(--nbm-blue);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}

/* ============ BADGES ============ */
.badge { font-weight: 500; padding: 5px 8px; }

/* ============ MISC ============ */
code {
    background: #f1f5f9;
    color: var(--nbm-blue);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.85em;
}
pre {
    background: #0f172a;
    color: #e2e8f0;
    padding: 16px;
    border-radius: 8px;
    font-size: 12px;
    overflow-x: auto;
}
.copy-input {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #f8fafc;
    border: 1px solid var(--nbm-border);
    border-radius: 8px;
    padding: 8px 12px;
    font-family: monospace;
    font-size: 13px;
}
.copy-input input {
    flex: 1; border: none; background: transparent; outline: none; color: var(--nbm-text);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
    .app-sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    .app-sidebar.show { transform: translateX(0); }
    .app-main { margin-left: 0; }
}

/* ============ MODAL TWEAKS ============ */
.modal-content { border: none; border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.modal-header { background: linear-gradient(180deg, #f8fafc 0%, #fff 100%); border-bottom: 1px solid var(--nbm-border); }
.modal-title { font-weight: 600; font-size: 16px; }

/* ============ WHATSAPP HEALTH MONITOR ============ */
.health-metric {
    background: #f8fafc;
    border-radius: 8px;
    padding: 8px 10px;
    height: 100%;
}
.health-metric span.text-muted {
    display: block;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 2px;
}
.health-card-critical {
    border-left: 4px solid var(--bs-danger);
}
.health-card-warning {
    border-left: 4px solid var(--bs-warning);
}
.health-card-healthy {
    border-left: 4px solid var(--bs-success);
}

/* ============ TRIAL BANNER ============ */
.trial-banner {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 55%, #991b1b 100%);
    color: #fff;
    border-radius: var(--radius);
    padding: 14px 18px;
    box-shadow: 0 4px 14px rgba(220, 38, 38, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.15);
    animation: trialPulse 2.5s ease-in-out infinite;
}
.trial-banner-urgent {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 50%, #b91c1c 100%);
}
.trial-banner-critical {
    background: linear-gradient(135deg, #f87171 0%, #ef4444 40%, #991b1b 100%);
    animation: trialPulseCritical 1.2s ease-in-out infinite;
}
.trial-banner-icon {
    font-size: 1.75rem;
    line-height: 1;
    opacity: 0.95;
}
.trial-banner-title {
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 2px;
}
.trial-banner-sub {
    font-size: 0.875rem;
    opacity: 0.95;
}
.trial-banner .btn-light {
    color: #991b1b;
    border: none;
}
@keyframes trialPulse {
    0%, 100% { box-shadow: 0 4px 14px rgba(220, 38, 38, 0.35); }
    50% { box-shadow: 0 4px 22px rgba(220, 38, 38, 0.55); }
}
@keyframes trialPulseCritical {
    0%, 100% { box-shadow: 0 0 0 0 rgba(248, 113, 113, 0.45); }
    50% { box-shadow: 0 0 0 8px rgba(248, 113, 113, 0); }
}