/* WAKA Client Manager - Styles */
/* Mobile-First Professional SaaS Design */

/* ============================================
   CSS Variables / Design Tokens
   ============================================ */
:root {
    /* Colors */
    --color-primary: #1E3A5F;
    --color-primary-dark: #152a45;
    --color-primary-light: #2a4d7a;
    --color-secondary: #3B82F6;
    --color-accent: #0EA5E9;
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-danger: #EF4444;
    --color-background: #F8FAFC;
    --color-card: #FFFFFF;
    --color-text: #0F172A;
    --color-muted: #64748B;
    --color-border: #E2E8F0;
    
    /* Status Colors */
    --status-paid-bg: #D1FAE5;
    --status-paid-text: #065F46;
    --status-not-paid-bg: #FEE2E2;
    --status-not-paid-text: #991B1B;
    --status-trial-bg: #FEF3C7;
    --status-trial-text: #92400E;
    
    /* Typography */
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --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), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Layout */
    --header-height: 64px;
    --max-width: 1400px;
}

/* Dark Mode */
[data-theme="dark"] {
    --color-primary: #2a4d7a;
    --color-primary-dark: #1E3A5F;
    --color-primary-light: #3d5f8f;
    --color-secondary: #60A5FA;
    --color-accent: #38BDF8;
    --color-success: #34D399;
    --color-warning: #FBBF24;
    --color-danger: #F87171;
    --color-background: #0F172A;
    --color-card: #1E293B;
    --color-text: #F1F5F9;
    --color-muted: #94A3B8;
    --color-border: #334155;
    
    /* Status Colors */
    --status-paid-bg: #064E3B;
    --status-paid-text: #6EE7B7;
    --status-not-paid-bg: #7F1D1D;
    --status-not-paid-text: #FCA5A5;
    --status-trial-bg: #78350F;
    --status-trial-text: #FDE68A;
}

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

html {
    font-size: 16px;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-background);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--color-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

img {
    max-width: 100%;
    height: auto;
}

button {
    font-family: inherit;
    cursor: pointer;
}

input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.25;
    color: var(--color-text);
}

h1 { font-size: var(--font-size-2xl); }
h2 { font-size: var(--font-size-xl); }
h3 { font-size: var(--font-size-lg); }

/* ============================================
   Layout Components
   ============================================ */
.header {
    background: var(--color-card);
    border-bottom: 1px solid var(--color-border);
    height: var(--header-height);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-primary);
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-xl);
}

.logo-text {
    display: none;
}

@media (min-width: 640px) {
    .logo-text {
        display: block;
    }
}

/* Navigation */
.menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    padding: 8px;
    border-radius: var(--radius-sm);
}

.menu-toggle:hover {
    background: var(--color-background);
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-text);
    border-radius: 1px;
    transition: var(--transition-fast);
}

@media (min-width: 1024px) {
    .menu-toggle {
        display: none;
    }
}

.nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-card);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md);
    z-index: 9999;
}

.nav.active {
    display: block;
}

@media (min-width: 1024px) {
    .nav {
        display: flex;
        position: static;
        border: none;
        padding: 0;
    }
}

.nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

@media (min-width: 1024px) {
    .nav-list {
        flex-direction: row;
        gap: var(--spacing-sm);
    }
}

.nav-link {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-muted);
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-text);
    background: var(--color-background);
}

.nav-link.active {
    color: var(--color-primary);
    background: rgba(30, 58, 95, 0.1);
}

.nav-link-logout {
    color: var(--color-danger);
}

.nav-link-logout:hover {
    color: var(--color-danger);
    background: rgba(239, 68, 68, 0.1);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.user-name {
    display: none;
    font-size: var(--font-size-sm);
    color: var(--color-muted);
}

@media (min-width: 640px) {
    .user-name {
        display: block;
    }
}

/* Main Content */
.main-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
    min-height: calc(100vh - var(--header-height) - 60px);
}

/* Footer */
.footer {
    background: var(--color-card);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
}

.footer p {
    font-size: var(--font-size-sm);
    color: var(--color-muted);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.625rem 1rem;
    font-size: var(--font-size-sm);
    font-weight: 500;
    line-height: 1;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    transition: var(--transition-fast);
    min-height: 44px;
    white-space: nowrap;
}

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

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

.btn-secondary {
    background: var(--color-secondary);
    color: white;
    border-color: var(--color-secondary);
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}

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

.btn-ghost {
    background: transparent;
    color: var(--color-muted);
    border: none;
}

.btn-ghost:hover {
    background: var(--color-background);
    color: var(--color-text);
}

.btn-danger {
    background: var(--color-danger);
    color: white;
    border-color: var(--color-danger);
}

.btn-danger:hover {
    background: #DC2626;
    border-color: #DC2626;
}

.btn-sm {
    padding: 0.5rem 0.75rem;
    font-size: var(--font-size-xs);
    min-height: 36px;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    padding: 0.5rem;
    min-height: 36px;
    min-width: 36px;
}

.btn-icon svg {
    flex-shrink: 0;
}

/* ============================================
   Form Elements
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: var(--font-size-base);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-card);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group input.input-error,
.form-group select.input-error {
    border-color: var(--color-danger);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.error-message {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-xs);
    color: var(--color-danger);
}

.label-hint {
    font-weight: 400;
    color: var(--color-muted);
}

.password-input-group {
    display: flex;
    gap: var(--spacing-sm);
}

.password-input-group input {
    flex: 1;
}

.form-row {
    margin-bottom: var(--spacing-md);
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

@media (min-width: 640px) {
    .form-row-2 {
        grid-template-columns: 1fr 1fr;
    }
}

.form-section {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.form-section-title {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    padding-top: var(--spacing-lg);
}

/* Search Form */
.search-form {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.search-input-wrapper {
    flex: 1;
    min-width: 200px;
    position: relative;
}

.search-icon {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-muted);
}

.search-input {
    width: 100%;
    padding: 0.625rem 0.875rem 0.625rem 2.75rem;
    font-size: var(--font-size-base);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-card);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* ============================================
   Cards & Containers
   ============================================ */
.page {
    animation: fadeIn 0.2s ease;
}

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

.page-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.page-header h1 {
    font-size: var(--font-size-2xl);
}

.page-header-left,
.page-header-right {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

@media (min-width: 640px) {
    .page-header-left,
    .page-header-right {
        flex-direction: row;
        align-items: center;
    }
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-muted);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.back-link:hover {
    color: var(--color-primary);
}

.detail-card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
}

.detail-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.detail-card-header h2 {
    font-size: var(--font-size-base);
    font-weight: 600;
}

.detail-card-content {
    padding: var(--spacing-lg);
}

.detail-row {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.detail-row:first-child {
    padding-top: 0;
}

.detail-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

@media (min-width: 640px) {
    .detail-row {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.detail-label {
    font-size: var(--font-size-sm);
    color: var(--color-muted);
}

.detail-value {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.detail-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

@media (min-width: 640px) {
    .detail-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .detail-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.detail-item-label {
    font-size: var(--font-size-xs);
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.detail-item-value {
    font-size: var(--font-size-base);
    font-weight: 500;
}

.credential-value {
    font-family: monospace;
    font-size: var(--font-size-sm);
}

.password-value {
    font-size: var(--font-size-base);
    font-weight: 600;
    background: var(--color-background);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.notes-content {
    white-space: pre-wrap;
    line-height: 1.6;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: var(--radius-sm);
    background: var(--color-background);
    color: var(--color-muted);
}

.badge-primary {
    background: rgba(30, 58, 95, 0.1);
    color: var(--color-primary);
}

/* ============================================
   Status Badges
   ============================================ */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: var(--radius-sm);
    white-space: nowrap;
}

.status-paid {
    background: var(--status-paid-bg);
    color: var(--status-paid-text);
}

.status-not-paid {
    background: var(--status-not-paid-bg);
    color: var(--status-not-paid-text);
}

.status-trial {
    background: var(--status-trial-bg);
    color: var(--status-trial-text);
}

.status-default {
    background: var(--color-background);
    color: var(--color-muted);
}

.status-badge-large {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-md);
}

/* Status Banner */
.status-banner {
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.status-banner.status-paid {
    background: var(--status-paid-bg);
}

.status-banner.status-not-paid {
    background: var(--status-not-paid-bg);
}

.status-banner.status-trial {
    background: var(--status-trial-bg);
}

.status-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

@media (min-width: 640px) {
    .status-info {
        flex-direction: row;
        align-items: center;
        gap: var(--spacing-lg);
    }
}

.expiry-info {
    font-size: var(--font-size-sm);
}

/* ============================================
   Dashboard
   ============================================ */
.dashboard-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.dashboard-header h1 {
    font-size: var(--font-size-2xl);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat-card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon svg {
    width: 24px;
    height: 24px;
}

.stat-icon-total {
    background: rgba(30, 58, 95, 0.1);
    color: var(--color-primary);
}

.stat-icon-paid {
    background: var(--status-paid-bg);
    color: var(--status-paid-text);
}

.stat-icon-trial {
    background: var(--status-trial-bg);
    color: var(--status-trial-text);
}

.stat-icon-unpaid {
    background: var(--status-not-paid-bg);
    color: var(--status-not-paid-text);
}

.stat-content {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    line-height: 1;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-muted);
    margin-top: var(--spacing-xs);
}

/* Section */
.section {
    margin-bottom: var(--spacing-xl);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: var(--font-size-lg);
}

.section-badge {
    font-size: var(--font-size-xs);
    color: var(--color-muted);
    background: var(--color-background);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-full);
}

.section-footer {
    margin-top: var(--spacing-md);
    text-align: center;
}

/* Alerts Grid */
.alerts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    .alerts-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.alert-card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.alert-value {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 700;
}

.alert-label {
    font-size: var(--font-size-sm);
    color: var(--color-muted);
}

.alert-today .alert-value { color: var(--color-danger); }
.alert-week .alert-value { color: var(--color-warning); }
.alert-month .alert-value { color: var(--color-secondary); }
.alert-expired .alert-value { color: var(--color-danger); }

/* Clients List */
.clients-list {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.client-item {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text);
    transition: var(--transition-fast);
}

.client-item:last-child {
    border-bottom: none;
}

.client-item:hover {
    background: var(--color-background);
}

.client-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    min-width: 0;
}

.client-name {
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.client-email {
    font-size: var(--font-size-sm);
    color: var(--color-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.client-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-shrink: 0;
}

.client-date {
    font-size: var(--font-size-sm);
    color: var(--color-muted);
    display: none;
}

@media (min-width: 640px) {
    .client-date {
        display: block;
    }
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    background: var(--color-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.empty-state svg {
    color: var(--color-muted);
    margin-bottom: var(--spacing-md);
}

.empty-state h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    color: var(--color-muted);
}

/* ============================================
   Table Styles
   ============================================ */
.table-container {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.clients-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 800px;
}

.clients-table th,
.clients-table td {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
}

.clients-table th {
    background: var(--color-background);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-muted);
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}

.clients-table td {
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

.clients-table tr:last-child td {
    border-bottom: none;
}

.clients-table tbody tr {
    transition: var(--transition-fast);
}

.clients-table tbody tr:hover {
    background: var(--color-background);
}

.clients-table tbody tr.row-expired {
    background: rgba(239, 68, 68, 0.05);
}

.clients-table tbody tr.row-expiring {
    background: rgba(245, 158, 11, 0.05);
}

.sort-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-muted);
}

.sort-link:hover,
.sort-link.active {
    color: var(--color-primary);
}

.client-link {
    font-weight: 500;
    color: var(--color-text);
}

.client-link:hover {
    color: var(--color-primary);
}

.visible-text {
    font-family: monospace;
}

.password-field {
    background: var(--color-background);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.days-left {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-muted);
    font-family: inherit;
}

.text-danger {
    color: var(--color-danger) !important;
}

.text-warning {
    color: var(--color-warning) !important;
}

.cell-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.table-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: center;
}

.results-count {
    font-size: var(--font-size-sm);
    color: var(--color-muted);
}

/* Filter Tabs */
.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-xs);
    background: var(--color-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.filter-tab {
    flex: 1;
    min-width: fit-content;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-align: center;
    color: var(--color-muted);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.filter-tab:hover {
    color: var(--color-text);
    background: var(--color-background);
}

.filter-tab.active {
    color: white;
    background: var(--color-primary);
}

.filter-tab .count {
    display: block;
    font-size: var(--font-size-xs);
    margin-top: 2px;
    opacity: 0.8;
}

/* ============================================
   Reports Page
   ============================================ */
.reports-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
    .reports-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .reports-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.report-card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.report-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.report-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.report-icon svg {
    width: 24px;
    height: 24px;
}

.report-icon-paid {
    background: var(--status-paid-bg);
    color: var(--status-paid-text);
}

.report-icon-unpaid {
    background: var(--status-not-paid-bg);
    color: var(--status-not-paid-text);
}

.report-icon-trial {
    background: var(--status-trial-bg);
    color: var(--status-trial-text);
}

.report-icon-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--color-warning);
}

.report-icon-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
}

.report-icon-month {
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-secondary);
}

.report-info h3 {
    font-size: var(--font-size-base);
    margin-bottom: 2px;
}

.report-count {
    font-size: var(--font-size-sm);
    color: var(--color-muted);
}

.report-preview {
    padding: var(--spacing-lg);
}

.report-summary {
    font-size: var(--font-size-sm);
    color: var(--color-muted);
    margin-bottom: var(--spacing-md);
}

.report-list {
    list-style: none;
    font-size: var(--font-size-sm);
}

.report-list li {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--color-border);
}

.report-list li:last-child {
    border-bottom: none;
}

.report-list li.more {
    color: var(--color-muted);
    font-style: italic;
}

.expiry-date {
    color: var(--color-muted);
    font-size: var(--font-size-xs);
}

.empty-text {
    font-size: var(--font-size-sm);
    color: var(--color-muted);
    font-style: italic;
}

.report-actions {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-background);
    border-top: 1px solid var(--color-border);
}

.export-all-section {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.export-all-section h2 {
    margin-bottom: var(--spacing-sm);
}

.export-all-section p {
    color: var(--color-muted);
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   Settings Page
   ============================================ */
.settings-section {
    margin-bottom: var(--spacing-xl);
}

.settings-section h2 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.settings-card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.settings-card h3 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-lg);
}

.settings-row {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.settings-row:first-child {
    padding-top: 0;
}

.settings-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

@media (min-width: 640px) {
    .settings-row {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.settings-label-title {
    font-weight: 500;
}

.settings-label-desc {
    font-size: var(--font-size-sm);
    color: var(--color-muted);
}

.settings-value {
    font-size: var(--font-size-sm);
}

.password-form {
    max-width: 400px;
}

/* ============================================
   Login Page
   ============================================ */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}

[data-theme="dark"] .login-page {
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: var(--spacing-lg);
}

.login-card {
    background: var(--color-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.login-logo {
    margin-bottom: var(--spacing-md);
}

.login-logo .logo-icon {
    width: 64px;
    height: 64px;
    font-size: 2rem;
    margin: 0 auto;
}

.login-header h1 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
}

.login-header p {
    font-size: var(--font-size-sm);
    color: var(--color-muted);
}

.login-form .form-group {
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   Alerts & Messages
   ============================================ */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.alert-success {
    background: var(--status-paid-bg);
    color: var(--status-paid-text);
}

.alert-error {
    background: var(--status-not-paid-bg);
    color: var(--status-not-paid-text);
}

.alert-warning {
    background: var(--status-trial-bg);
    color: var(--status-trial-text);
}

.flash-message {
    position: fixed;
    top: calc(var(--header-height) + var(--spacing-md));
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.flash-success {
    background: var(--status-paid-bg);
    color: var(--status-paid-text);
}

.flash-error {
    background: var(--status-not-paid-bg);
    color: var(--status-not-paid-text);
}

.flash-warning {
    background: var(--status-trial-bg);
    color: var(--status-trial-text);
}

.flash-close {
    background: transparent;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0.7;
    padding: 0;
    line-height: 1;
}

.flash-close:hover {
    opacity: 1;
}

/* ============================================
   External Action Buttons
   ============================================ */
.external-actions {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    z-index: 50;
}

.external-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-card);
    color: var(--color-text);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: var(--transition-fast);
    min-height: 48px;
}

.external-btn:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.external-btn-register {
    background: var(--color-primary);
    color: white;
}

.external-btn-register svg {
    color: white;
}

.external-btn-recharge {
    background: var(--color-success);
    color: white;
}

.external-btn-recharge svg {
    color: white;
}

.external-btn span {
    display: none;
}

@media (min-width: 640px) {
    .external-btn span {
        display: block;
    }
}

@media (max-width: 480px) {
    .external-actions {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        left: var(--spacing-md);
        flex-direction: row;
        justify-content: center;
    }
    
    .external-btn {
        flex: 1;
        justify-content: center;
    }
}

/* ============================================
   Utilities
   ============================================ */
.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Text utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--color-muted); }
.text-small { font-size: var(--font-size-sm); }

/* Spacing utilities */
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

/* ============================================
   Theme Toggle
   ============================================ */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--color-text);
    transition: var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--color-background);
}

.theme-toggle .icon-moon {
    display: none;
}

[data-theme="dark"] .theme-toggle .icon-sun {
    display: none;
}

[data-theme="dark"] .theme-toggle .icon-moon {
    display: block;
}

/* ============================================
   MOBILE CLIENT CARDS
   ============================================ */

@media (max-width: 768px) {

    .table-container {
        overflow: visible;
        background: transparent;
        box-shadow: none;
    }

    .clients-table {
        min-width: 100%;
    }

    .clients-table thead {
        display: none;
    }

    .clients-table,
    .clients-table tbody,
    .clients-table tr,
    .clients-table td {
        display: block;
        width: 100%;
    }

    .clients-table tr {
        background: var(--color-card);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-sm);
        margin-bottom: 16px;
        padding: 16px;
    }

    .clients-table td {
        border: none;
        padding: 0;
        margin-bottom: 12px;
    }

    .clients-table td:last-child {
        margin-bottom: 0;
    }

    /* Hide Status on mobile */

    .cell-status {
        display: none !important;
    }

    /* Name */

    .cell-name {
        margin-bottom: 16px;
    }

    .cell-name .client-link {
        font-size: 1.1rem;
        font-weight: 700;
        display: block;
    }

    /* Labels */

    .cell-email::before {
        content: "Login Email";
        display: block;
        font-size: 12px;
        color: var(--color-muted);
        margin-bottom: 2px;
    }

    .cell-password::before {
        content: "Password";
        display: block;
        font-size: 12px;
        color: var(--color-muted);
        margin-bottom: 2px;
    }

    .cell-expiry::before {
        content: "Expiry";
        display: block;
        font-size: 12px;
        color: var(--color-muted);
        margin-bottom: 2px;
    }

    .cell-email,
    .cell-password,
    .cell-expiry {
        font-size: 14px;
    }

    .password-field {
        display: inline-block;
    }

    .days-left {
        margin-top: 4px;
    }

}

.btn-success {
    background: var(--color-success);
    color: #fff;
    border-color: var(--color-success);
}

.btn-success:hover {
    opacity: 0.9;
}

.whatsapp-reminder-btn {
    margin-top: 10px;
    width: fit-content;
}