/* CSS Variables - Design Tokens */
:root {
    /* Colors - Professional Light Theme */
    --bg-primary: #F1F5F9;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #E2E8F0;
    --bg-card: #FFFFFF;
    --bg-card-hover: #F8FAFC;

    /* Sidebar Dark */
    --sidebar-bg: #1E293B;
    --sidebar-hover: #334155;
    --sidebar-text: #CBD5E1;
    --sidebar-text-active: #FFFFFF;

    /* Accent Colors - Teal Theme */
    --accent-primary: #14B8A6;
    --accent-primary-light: #2DD4BF;
    --accent-primary-dark: #0D9488;
    --accent-secondary: #2DD4BF;
    --accent-gradient: linear-gradient(135deg, #14B8A6 0%, #2DD4BF 100%);

    /* Status Colors */
    --color-success: #10B981;
    --color-success-light: #34D399;
    --color-warning: #F59E0B;
    --color-warning-light: #FBBF24;
    --color-danger: #EF4444;
    --color-danger-light: #F87171;
    --color-info: #14B8A6;
    --color-info-light: #2DD4BF;

    /* Highlight Color */
    --highlight: #D1FAE5;

    /* Text Colors */
    --text-primary: #1E293B;
    --text-secondary: #475569;
    --text-muted: #64748B;
    --text-inverse: #FFFFFF;

    /* Border Colors */
    --border-primary: rgba(20, 184, 166, 0.3);
    --border-secondary: #E2E8F0;
    --border-hover: rgba(20, 184, 166, 0.5);

    /* Shadows */
    --shadow-sm: 0 1px 2px 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);
    --shadow-glow: 0 0 20px rgba(20, 184, 166, 0.15);

    /* 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: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;

    /* Layout */
    --sidebar-width: 260px;
    --sidebar-collapsed: 70px;
    --header-height: 70px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-md);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ==========================================
   Sidebar Navigation
   ========================================== */

.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: width var(--transition-normal);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed);
}

.sidebar-header {
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    min-height: 70px;
}

.sidebar.collapsed .sidebar-header {
    justify-content: center;
    padding: var(--spacing-md);
}

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

.logo-icon {
    width: 32px;
    height: 32px;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon svg {
    width: 18px;
    height: 18px;
    stroke: white;
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-inverse);
}

.logo-text span {
    color: var(--accent-primary-light);
}

.sidebar.collapsed .logo-text {
    display: none;
}

.sidebar.collapsed .logo {
    justify-content: center;
}

.sidebar.collapsed .sidebar-toggle {
    display: none;
}

.sidebar-toggle {
    background: none;
    border: none;
    color: var(--sidebar-text);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-toggle:hover {
    background: var(--sidebar-hover);
    color: var(--text-inverse);
}

.sidebar-toggle svg {
    width: 20px;
    height: 20px;
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    overflow: hidden;
}

.sidebar.collapsed .sidebar-nav {
    padding: var(--spacing-sm);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--sidebar-text);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.sidebar.collapsed .nav-item {
    justify-content: center;
    padding: var(--spacing-md);
}

.nav-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--accent-gradient);
    transform: scaleY(0);
    transition: transform var(--transition-fast);
}

.nav-item:hover {
    background: var(--sidebar-hover);
    color: var(--text-inverse);
}

.nav-item.active {
    background: rgba(20, 184, 166, 0.2);
    color: var(--accent-primary-light);
}

.nav-item.active::before {
    transform: scaleY(1);
}

.nav-icon {
    width: 20px;
    height: 20px;
    min-width: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-icon svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
}

.nav-text {
    transition: opacity var(--transition-fast);
}

.sidebar.collapsed .nav-text {
    display: none;
    opacity: 0;
    width: 0;
}

.sidebar-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
}

.sidebar.collapsed .sidebar-footer {
    padding: var(--spacing-md);
}

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

.sidebar.collapsed .user-info {
    justify-content: center;
}

.user-avatar {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.user-details {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar.collapsed .user-details {
    display: none;
}

.user-name {
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--text-inverse);
    white-space: nowrap;
}

.user-role {
    font-size: var(--font-size-xs);
    color: var(--sidebar-text);
    white-space: nowrap;
}

/* ==========================================
   Main Content Area
   ========================================== */

.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    padding: var(--spacing-xl);
    transition: margin-left var(--transition-normal);
}

.sidebar.collapsed~.main-content {
    margin-left: var(--sidebar-collapsed);
}

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

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

.menu-toggle {
    display: none;
    background: var(--bg-card);
    border: 1px solid var(--border-secondary);
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: var(--font-size-lg);
}

.page-title h1 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
}

.page-subtitle {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

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

/* ==========================================
   Buttons
   ========================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

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

.btn-outline:hover {
    background: rgba(20, 184, 166, 0.1);
}

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

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

/* Botão Sair na sidebar - sempre com fundo branco */
.sidebar-footer .btn-ghost {
    background: white;
    color: var(--sidebar-bg);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.sidebar-footer .btn-ghost:hover {
    background: #f1f5f9;
    color: var(--sidebar-bg);
}

.btn-danger {
    background: linear-gradient(135deg, var(--color-danger) 0%, #DC2626 100%);
    color: white;
}

.btn-danger:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-xs);
}

.btn-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
}

/* ==========================================
   Tabs
   ========================================== */

.tabs-container {
    margin-bottom: var(--spacing-xl);
}

.tabs {
    display: flex;
    gap: var(--spacing-sm);
    background: var(--bg-card);
    padding: var(--spacing-xs);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-secondary);
    box-shadow: var(--shadow-sm);
}

.tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.tab:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.tab.active {
    background: var(--accent-gradient);
    color: white;
    box-shadow: var(--shadow-sm);
}

.tab-icon {
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tab-icon svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
}

/* ==========================================
   Forms & Inputs
   ========================================== */

.filter-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.filter-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.15);
}

.filter-input::placeholder {
    color: var(--text-muted);
}

.filter-input-sm {
    width: auto;
    padding: var(--spacing-xs) var(--spacing-sm);
}

/* ==========================================
   Modal
   ========================================== */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

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

.modal-header h2 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: var(--font-size-xl);
    cursor: pointer;
    transition: color var(--transition-fast);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
}

.modal-close:hover {
    color: var(--color-danger);
    background: rgba(239, 68, 68, 0.1);
}

.modal-body {
    padding: var(--spacing-lg);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.form-group label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group input,
.form-group select {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.15);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-secondary);
}

/* ==========================================
   Utility Classes
   ========================================== */

.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

/* ==========================================
   Scrollbar
   ========================================== */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

::-webkit-scrollbar-thumb {
    background: #94A3B8;
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

/* ==========================================
   Responsive Design
   ========================================== */

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        z-index: 1001;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    /* Sidebar Overlay for mobile */
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1000;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
    }

    .sidebar-overlay.active {
        display: block;
        opacity: 1;
        visibility: visible;
    }
}

@media (max-width: 640px) {
    .main-content {
        padding: var(--spacing-md);
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .header-actions {
        width: 100%;
        justify-content: flex-end;
    }

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

/* ==========================================
   Global Toast Notifications
   ========================================== */

#toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    background: white;
    padding: 16px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 300px;
    max-width: 400px;
    pointer-events: auto;
    animation: toastSlideIn 0.3s ease forwards;
    border-left: 4px solid var(--accent-primary);
}

.toast.removing {
    animation: toastSlideOut 0.3s ease forwards;
}

.toast-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.toast-message {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Toast Variants */
.toast.success {
    border-left-color: var(--color-success);
}

.toast.success .toast-icon {
    color: var(--color-success);
}

.toast.error {
    border-left-color: var(--color-danger);
}

.toast.error .toast-icon {
    color: var(--color-danger);
}

.toast.warning {
    border-left-color: var(--color-warning);
}

.toast.warning .toast-icon {
    color: var(--color-warning);
}

.toast.info {
    border-left-color: var(--color-info);
}

.toast.info .toast-icon {
    color: var(--color-info);
}

/* ==========================================
   Global Alert Modal
   ========================================== */

#global-alert-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(2px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
}

#global-alert-modal.active {
    opacity: 1;
    visibility: visible;
}

.alert-modal-content {
    background: white;
    padding: 24px;
    border-radius: 12px;
    width: 90%;
    max-width: 400px;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    transform: scale(0.9);
    transition: transform 0.2s ease;
}

#global-alert-modal.active .alert-modal-content {
    transform: scale(1);
}

.alert-modal-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: #F1F5F9;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: var(--text-secondary);
}

.alert-modal-icon.error {
    color: var(--color-danger);
    background: #FEF2F2;
}

.alert-modal-icon.success {
    color: var(--color-success);
    background: #ECFDF5;
}

.alert-modal-icon.warning {
    color: var(--color-warning);
    background: #FFFBEB;
}

.alert-modal-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.alert-modal-message {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.5;
}

.alert-modal-btn {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    background: var(--text-primary);
    color: white;
    transition: opacity 0.2s;
}

.alert-modal-btn:hover {
    opacity: 0.9;
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes toastSlideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }

    to {
        opacity: 0;
        transform: translateX(20px);
    }
}

/* ==========================================
   Confirm Modal (two buttons)
   ========================================== */

#global-confirm-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10001;
    animation: alertFadeIn 0.2s ease;
}

#global-confirm-modal.active {
    display: flex;
}

.confirm-modal-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.confirm-modal-actions .btn {
    flex: 1;
    padding: 10px 20px;
    font-size: 14px;
}

.btn-danger {
    background: var(--color-danger, #EF4444) !important;
    color: white !important;
    border: none !important;
}

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