/* ===== VARIÁVEIS DE TEMA ===== */
:root[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --border-hover: #cbd5e1;
    --sidebar-bg: #1e293b;
    --sidebar-text: #ffffff;
    --sidebar-hover: #334155;
    --sidebar-active: #3b82f6;
    --btn-primary-bg: #3b82f6;
    --btn-primary-text: #ffffff;
    --btn-primary-hover: #2563eb;
    --btn-secondary-bg: #64748b;
    --btn-secondary-text: #ffffff;
    --btn-secondary-hover: #475569;
    --btn-danger-bg: #ef4444;
    --btn-danger-text: #ffffff;
    --btn-danger-hover: #dc2626;
    --btn-success-bg: #10b981;
    --btn-success-text: #ffffff;
    --btn-success-hover: #059669;
    --btn-warning-bg: #f59e0b;
    --btn-warning-text: #ffffff;
    --btn-warning-hover: #d97706;
    --status-active-bg: #dcfce7;
    --status-active-text: #059669;
    --status-blocked-bg: #fee2e2;
    --status-blocked-text: #dc2626;
    --flash-success-bg: #dcfce7;
    --flash-success-text: #059669;
    --flash-error-bg: #fee2e2;
    --flash-error-text: #dc2626;
    --input-bg: #ffffff;
    --input-border: #e2e8f0;
    --input-text: #0f172a;
    --input-focus: #3b82f6;
    --table-header-bg: #f8fafc;
    --table-row-hover: #f1f5f9;
    --card-bg: #ffffff;
    --card-border: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

:root[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --border-hover: #475569;
    --sidebar-bg: #1e293b;
    --sidebar-text: #f8fafc;
    --sidebar-hover: #334155;
    --sidebar-active: #3b82f6;
    --btn-primary-bg: #3b82f6;
    --btn-primary-text: #ffffff;
    --btn-primary-hover: #2563eb;
    --btn-secondary-bg: #475569;
    --btn-secondary-text: #f8fafc;
    --btn-secondary-hover: #334155;
    --btn-danger-bg: #ef4444;
    --btn-danger-text: #ffffff;
    --btn-danger-hover: #dc2626;
    --btn-success-bg: #10b981;
    --btn-success-text: #ffffff;
    --btn-success-hover: #059669;
    --btn-warning-bg: #f59e0b;
    --btn-warning-text: #ffffff;
    --btn-warning-hover: #d97706;
    --status-active-bg: #064e3b;
    --status-active-text: #6ee7b7;
    --status-blocked-bg: #7f1d1d;
    --status-blocked-text: #fecaca;
    --flash-success-bg: #064e3b;
    --flash-success-text: #6ee7b7;
    --flash-error-bg: #7f1d1d;
    --flash-error-text: #fecaca;
    --input-bg: #1e293b;
    --input-border: #334155;
    --input-text: #f8fafc;
    --input-focus: #3b82f6;
    --table-header-bg: #1e293b;
    --table-row-hover: #334155;
    --card-bg: #1e293b;
    --card-border: #334155;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.4), 0 1px 2px -1px rgb(0 0 0 / 0.4);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.4);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.4);
}

/* ===== RESET E BASE ===== */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ===== SIDEBAR ===== */
.nav-item {
    display: flex;
    align-items: center;
    padding: 0.875rem 1rem;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
    margin-bottom: 0.5rem;
    width: 100%;
}

.nav-item:last-child {
    margin-bottom: 0;
}

.nav-item:hover {
    background-color: var(--sidebar-hover);
    color: var(--text-primary);
    transform: translateX(4px);
}

.nav-item.active {
    background-color: var(--sidebar-active);
    color: white;
    box-shadow: var(--shadow);
}

.nav-item i {
    margin-right: 0.75rem;
    width: 1.25rem;
    height: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.nav-item span {
    font-weight: 500;
    font-size: 0.875rem;
}

/* ===== COMPONENTES ===== */

/* Cards */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

/* Stats Cards */
.stats-card {
    background: linear-gradient(135deg, var(--card-bg) 0%, var(--bg-secondary) 100%);
    border: 1px solid var(--card-border);
    border-radius: 1rem;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.stats-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6, #06b6d4);
}

.stats-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stats-card.primary::before {
    background: linear-gradient(90deg, #3b82f6, #1d4ed8);
}

.stats-card.success::before {
    background: linear-gradient(90deg, #10b981, #059669);
}

.stats-card.warning::before {
    background: linear-gradient(90deg, #f59e0b, #d97706);
}

.stats-card.danger::before {
    background: linear-gradient(90deg, #ef4444, #dc2626);
}

.stats-card.info::before {
    background: linear-gradient(90deg, #06b6d4, #0891b2);
}

.stats-card.secondary::before {
    background: linear-gradient(90deg, #8b5cf6, #7c3aed);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 0.5rem;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
    gap: 0.5rem;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-primary {
    background: var(--btn-primary-bg);
    color: var(--btn-primary-text);
}

.btn-primary:hover:not(:disabled) {
    background: var(--btn-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--btn-secondary-bg);
    color: var(--btn-secondary-text);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--btn-secondary-hover);
    transform: translateY(-1px);
}

.btn-danger {
    background: var(--btn-danger-bg);
    color: var(--btn-danger-text);
}

.btn-danger:hover:not(:disabled) {
    background: var(--btn-danger-hover);
    transform: translateY(-1px);
}

.btn-success {
    background: var(--btn-success-bg);
    color: var(--btn-success-text);
}

.btn-success:hover:not(:disabled) {
    background: var(--btn-success-hover);
    transform: translateY(-1px);
}

.btn-warning {
    background: var(--btn-warning-bg);
    color: var(--btn-warning-text);
}

.btn-warning:hover:not(:disabled) {
    background: var(--btn-warning-hover);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover:not(:disabled) {
    background: var(--bg-secondary);
    border-color: var(--border-hover);
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-input,
.form-select {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--input-text);
    background-color: var(--input-bg);
    background-clip: padding-box;
    border: 1px solid var(--input-border);
    border-radius: 0.5rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-input:focus {
    outline: none;
    border-color: var(--input-focus);
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

.form-input::placeholder {
    color: var(--text-muted);
    opacity: 1;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%239ca3af' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px 12px;
}

.form-error {
    color: #ef4444;
    font-size: 0.75rem;
    margin-top: 0.25rem;
}

/* Tables */
.table-container {
    background: var(--card-bg);
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 1px solid var(--card-border);
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th {
    background: var(--table-header-bg);
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.table tr:hover {
    background: var(--table-row-hover);
}

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

/* Status Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

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

/* Status Badges para Assinaturas */
.status-active {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-inactive {
    background: rgba(107, 114, 128, 0.1);
    color: #6b7280;
    border: 1px solid rgba(107, 114, 128, 0.2);
}

.status-overdue {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.status-cancelled {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.status-expired {
    background: rgba(156, 163, 175, 0.1);
    color: #9ca3af;
    border: 1px solid rgba(156, 163, 175, 0.2);
}

.status-pending {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.status-unknown {
    background: rgba(156, 163, 175, 0.1);
    color: #9ca3af;
    border: 1px solid rgba(156, 163, 175, 0.2);
}

/* Flash Messages */
.flash-message {
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: slideInDown 0.3s ease-out;
}

.flash-success {
    background: var(--flash-success-bg);
    color: var(--flash-success-text);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.flash-error {
    background: var(--flash-error-bg);
    color: var(--flash-error-text);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.pagination-info {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-right: 1rem;
}

.pagination-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.5rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s ease;
}

.pagination-button:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.pagination-button.active {
    background: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    border-color: var(--btn-primary-bg);
}

/* Search Container */
.search-container {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

.search-container .form-label {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.search-container .form-input {
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--input-text);
}

.search-container .form-input:focus {
    border-color: var(--input-focus);
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

.search-container .btn {
    height: 100%;
    min-height: 2.75rem;
}

.search-container .row {
    align-items: end;
    gap: 1rem;
}

.search-container .col-md-2,
.search-container .col-md-3,
.search-container .col-md-6 {
    margin-bottom: 0;
}

/* ===== ANIMAÇÕES ===== */
@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 1024px) {
    #sidebar {
        transform: translateX(-100%) !important;
    }
    
    #sidebar.mobile-open {
        transform: translateX(0) !important;
    }
}

@media (max-width: 768px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .table-container {
        overflow-x: auto;
    }
    
    .table th,
    .table td {
        padding: 0.75rem;
        font-size: 0.8rem;
    }
    
    .btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.8rem;
    }
    
    .search-container .row {
        flex-direction: column;
    }
    
    .search-container .col-md-2,
    .search-container .col-md-3,
    .search-container .col-md-6 {
        width: 100%;
        margin-bottom: 1rem;
    }
    
    .pagination {
        flex-wrap: wrap;
        gap: 0.25rem;
    }
    
    .pagination-info {
        width: 100%;
        text-align: center;
        margin-right: 0;
        margin-bottom: 0.5rem;
    }
}

@media (max-width: 640px) {
    .stats-card {
        padding: 1rem;
    }
    
    .card-header {
        padding: 1rem;
    }
    
    .btn-lg {
        padding: 0.875rem 1.5rem;
    }
    
    .form-input {
        padding: 0.625rem 0.875rem;
    }
}

/* ===== UTILITÁRIOS ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-5 { margin-bottom: 1.25rem; }
.mb-6 { margin-bottom: 1.5rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-5 { margin-top: 1.25rem; }
.mt-6 { margin-top: 1.5rem; }

.p-0 { padding: 0; }
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }

.d-flex { display: flex; }
.d-inline-flex { display: inline-flex; }
.d-block { display: block; }
.d-inline-block { display: inline-block; }
.d-none { display: none; }

.justify-content-between { justify-content: space-between; }
.justify-content-center { justify-content: center; }
.align-items-center { align-items: center; }
.align-items-start { align-items: flex-start; }
.align-items-end { align-items: flex-end; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }

.rounded { border-radius: 0.25rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }

.shadow { box-shadow: var(--shadow); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

.animate-fade-in { animation: fadeIn 0.5s ease-in-out; }
.animate-slide-in { animation: slideIn 0.3s ease-out; }
.animate-bounce-in { animation: bounceIn 0.6s ease-out; }

/* ===== CLASSES DE RESPONSIVIDADE ===== */
@media (min-width: 1024px) {
    .d-lg-block {
        display: block !important;
    }
    
    .d-lg-none {
        display: none !important;
    }
}

@media (max-width: 1023px) {
    .d-lg-block {
        display: none !important;
    }
    
    .d-lg-none {
        display: block !important;
    }
}