/* ═════════════════════════════════════════════════════════════════════
   3Dr Connect EVO - CSS v3.0 - OTIMIZADO
   
   CHANGELOG v3.0:
   - Consolidado badges, alerts e status via CSS Custom Properties
   - Removidas duplicações de user-select, transforms, logos
   - Criadas classes utilitárias reutilizáveis (.glass, .border-*)
   - Unificado sistema de cores com variáveis semânticas
   - Redução de ~20% no tamanho total
   ═════════════════════════════════════════════════════════════════════ */

/* ═════════════════════════════════════════════════════════════════════
   1. CORE
   ═════════════════════════════════════════════════════════════════════ */

/* ───────────────────────────────────────────────────────────────────
   1.1. VARIÁVEIS CSS
   ─────────────────────────────────────────────────────────────────── */
:root {
    /* Cores Base */
    --color-bg-dark: #2a2e26;
    --color-bg-mid: #3d4236;
    --color-bg-light: #4B5140;
    --color-bg-lighter: #5a6350;
    
    /* Texto */
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #AEB2A5;
    --color-text-tertiary: #8C9184;
    --color-text-muted: #6a6e64;
    
    /* Componentes */
    --color-card-bg: rgba(38, 42, 35, 0.85);
    --color-card-border: rgba(174, 178, 165, 0.1);
    --color-input-bg: rgba(30, 33, 28, 0.8);
    --color-input-dark: rgba(13, 13, 13, 0.8);
    --color-input-focus: rgba(13, 13, 13, 0.95);
    
    /* Funcionais */
    --color-primary: #4B5140;
    --color-primary-hover: #5a6350;
    --color-danger: #d84a3a;
    --color-danger-hover: #e05545;
    --color-warning: #dba13a;
    --color-warning-hover: #f0ba4a;
    --color-info: #5a7a9b;
    --color-info-hover: #6a8aab;
    --color-success: var(--color-primary);
    --color-purple: #8a6a9b;
    --color-cyan: #5a9b9b;
    
    /* Cores com transparência (para badges, alerts, status) */
    --color-primary-alpha: rgba(75, 81, 64, 0.3);
    --color-danger-alpha: rgba(216, 74, 58, 0.2);
    --color-warning-alpha: rgba(219, 161, 58, 0.2);
    --color-info-alpha: rgba(90, 122, 155, 0.2);
    --color-purple-alpha: rgba(138, 106, 155, 0.2);
    
    /* Cores de texto para estados */
    --color-danger-text: #ff8080;
    --color-info-text: #8ac4e0;
    --color-purple-text: #b38ac4;
    
    /* Espaçamentos */
    --spacing-xs: 5px;
    --spacing-sm: 10px;
    --spacing-md: 15px;
    --spacing-lg: 20px;
    --spacing-xl: 30px;
    --spacing-xxl: 40px;
    
    /* Bordas */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 15px;
    --radius-xl: 20px;
    
    /* Sombras */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 5px 20px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 10px 50px rgba(0, 0, 0, 0.5);
    
    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* ───────────────────────────────────────────────────────────────────
   1.2. RESET CSS
   ─────────────────────────────────────────────────────────────────── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-user-select: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

input, textarea, select, [contenteditable="true"] {
    -webkit-user-select: text;
    user-select: text;
}

img {
    pointer-events: none;
    -webkit-user-drag: none;
}

/* ───────────────────────────────────────────────────────────────────
   1.3. BASE
   ─────────────────────────────────────────────────────────────────── */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    background: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-bg-mid) 50%, var(--color-bg-light) 100%);
    background-attachment: fixed;
    color: var(--color-text-primary);
    min-height: 100vh;
    padding: var(--spacing-lg);
    -webkit-font-smoothing: antialiased;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(174, 178, 165, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(140, 145, 132, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* ───────────────────────────────────────────────────────────────────
   1.4. ANIMAÇÕES
   ─────────────────────────────────────────────────────────────────── */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

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

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

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

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ═════════════════════════════════════════════════════════════════════
   2. UTILITIES (Classes Reutilizáveis)
   ═════════════════════════════════════════════════════════════════════ */

/* Glass Effect */
.glass {
    background: var(--color-card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-card-border);
}

/* Borders */
.border-primary { border: 1px solid var(--color-primary); }
.border-primary-2 { border: 2px solid var(--color-primary); }

/* Spacing - Margin */
.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

/* Spacing - Padding */
.p-xs { padding: var(--spacing-xs); }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

/* Display */
.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

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

.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-tertiary { color: var(--color-text-tertiary); }
.text-muted { color: var(--color-text-muted); }

/* ═════════════════════════════════════════════════════════════════════
   3. COMPONENTS
   ═════════════════════════════════════════════════════════════════════ */

/* ───────────────────────────────────────────────────────────────────
   3.1. BUTTONS
   ─────────────────────────────────────────────────────────────────── */
.btn {
    --_bg: var(--color-primary);
    --_bg-hover: var(--color-primary-hover);
    --_color: var(--color-text-secondary);
    
    display: inline-block;
    padding: 12px 20px;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    text-align: center;
    background: var(--_bg);
    color: var(--_color);
}

.btn:hover:not(:disabled) {
    background: var(--_bg-hover);
    transform: translateY(-2px);
}

.btn:active:not(:disabled) { transform: translateY(0); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Variants */
.btn--primary { --_bg: var(--color-primary); --_bg-hover: var(--color-primary-hover); }
.btn--danger { --_bg: var(--color-danger); --_bg-hover: var(--color-danger-hover); --_color: var(--color-text-primary); }
.btn--warning { --_bg: var(--color-warning); --_bg-hover: var(--color-warning-hover); --_color: var(--color-text-primary); }
.btn--info { --_bg: var(--color-info); --_bg-hover: var(--color-info-hover); --_color: var(--color-text-primary); }
.btn--success { --_bg: var(--color-success); --_bg-hover: var(--color-primary-hover); }

/* Sizes */
.btn--sm { padding: 8px 12px; font-size: 0.85rem; }
.btn--lg { padding: 16px 30px; font-size: 1.1rem; }
.btn--block { width: 100%; display: block; }

/* Styles */
.btn--outline {
    background: transparent;
    border: 2px solid var(--_bg);
    color: var(--color-text-secondary);
}

.btn--outline:hover:not(:disabled) {
    background: var(--color-primary-alpha);
}

.btn--ghost {
    background: var(--color-card-bg);
    backdrop-filter: blur(10px);
    border: 2px solid var(--color-primary);
    color: var(--color-text-secondary);
}

.btn--ghost:hover:not(:disabled) {
    background: var(--color-primary-alpha);
    border-color: var(--color-primary-hover);
}

/* ───────────────────────────────────────────────────────────────────
   3.2. CARDS
   ─────────────────────────────────────────────────────────────────── */
.card {
    background: var(--color-card-bg);
    backdrop-filter: blur(10px);
    padding: 25px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-card-border);
    margin-bottom: var(--spacing-lg);
}

.card__title { font-size: 1.4rem; color: var(--color-text-secondary); margin-bottom: var(--spacing-lg); }
.card__subtitle { font-size: 1.1rem; color: var(--color-text-secondary); margin-bottom: var(--spacing-md); }
.card__header { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; margin-bottom: 1rem; }
.card__header .card__title { margin: 0; }

.card--elevated { box-shadow: var(--shadow-md); }
.card--bordered { border: 2px solid var(--color-primary); }
.card--sm { padding: var(--spacing-md); }
.card--lg { padding: var(--spacing-xl); }

.card--hover { transition: all var(--transition-normal); }
.card--hover:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--color-text-secondary); }

/* ───────────────────────────────────────────────────────────────────
   3.3. FORMS
   ─────────────────────────────────────────────────────────────────── */
.form-group { margin-bottom: var(--spacing-md); }

.form-group__label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 12px;
    background: var(--color-input-dark);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-size: 1rem;
    transition: all var(--transition-normal);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-text-secondary);
    background: var(--color-input-focus);
}

.form-control::placeholder { color: var(--color-text-muted); }
.form-control:disabled { opacity: 0.6; cursor: not-allowed; }
.form-control--inline { width: auto; min-width: 200px; }

.form-hint { font-size: 0.85rem; color: var(--color-text-tertiary); margin-top: 5px; }
.form-actions { display: flex; gap: var(--spacing-sm); margin-top: var(--spacing-lg); }

.input-wrapper { position: relative; }
.input-icon { position: absolute; left: 15px; top: 50%; transform: translateY(-50%); color: var(--color-text-tertiary); font-size: 1.2rem; z-index: 1; }
.input-wrapper .form-control { padding-left: 45px; }

/* ───────────────────────────────────────────────────────────────────
   3.4. MODALS
   ─────────────────────────────────────────────────────────────────── */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
}

.modal--show { display: flex; }

.modal__content {
    background: rgba(38, 42, 35, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-card-border);
    animation: scaleIn 0.3s ease-out;
}

.modal__content--lg { max-width: 900px; }
.modal__content--sm { max-width: 500px; }

.modal__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 2px solid rgba(75, 81, 64, 0.3);
}

.modal__title { margin: 0; color: var(--color-text-secondary); }
.modal__body { padding: 25px; }

.modal__close {
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    transition: all var(--transition-normal);
}

.modal__close:hover { background: var(--color-danger); color: var(--color-text-primary); }

/* Modal Confirm */
.modal--confirm { background: rgba(0, 0, 0, 0.9); z-index: 2000; }
.modal--confirm .modal__content { max-width: 500px; text-align: center; border: 2px solid var(--color-primary); padding: 40px; }

.modal__icon { font-size: 4rem; margin-bottom: var(--spacing-lg); animation: bounce 0.5s ease-out; }
.modal__message { font-size: 1.1rem; color: var(--color-text-primary); line-height: 1.6; margin-bottom: var(--spacing-xl); white-space: pre-wrap; }
.modal__buttons { display: flex; gap: var(--spacing-md); justify-content: center; }

/* ───────────────────────────────────────────────────────────────────
   3.5. FEEDBACK (Alerts, Badges, Status) - UNIFICADO
   ─────────────────────────────────────────────────────────────────── */

/* Base para todos os elementos de feedback */
[class*="alert--"],
[class*="badge--"],
[class*="status--"] {
    --_bg: transparent;
    --_color: inherit;
    --_border: currentColor;
}

/* ALERTS */
.alert {
    padding: 12px;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    display: none;
    background: var(--_bg);
    color: var(--_color);
    border: 1px solid var(--_border);
}

.alert--show { display: block; animation: slideDown 0.3s ease-out; }

.alert--success { --_bg: var(--color-primary-alpha); --_color: var(--color-text-secondary); --_border: var(--color-primary); }
.alert--error { --_bg: var(--color-danger-alpha); --_color: var(--color-danger-text); --_border: var(--color-danger); }
.alert--warning { --_bg: var(--color-warning-alpha); --_color: var(--color-warning); --_border: var(--color-warning); }
.alert--info { --_bg: var(--color-info-alpha); --_color: var(--color-info-text); --_border: var(--color-info); }

/* BADGES */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    background: var(--_bg);
    color: var(--_color);
    border: 1px solid var(--_border);
}

.badge--admin { --_bg: var(--color-info); --_color: var(--color-text-primary); --_border: transparent; }
.badge--user { --_bg: rgba(140, 145, 132, 0.3); --_color: var(--color-text-secondary); --_border: #8C9184; }
.badge--primary, .badge--success { --_bg: var(--color-primary-alpha); --_color: var(--color-text-secondary); --_border: var(--color-primary); }
.badge--warning { --_bg: var(--color-warning-alpha); --_color: var(--color-warning); --_border: var(--color-warning); }
.badge--danger { --_bg: var(--color-danger-alpha); --_color: var(--color-danger-text); --_border: var(--color-danger); }
.badge--info { --_bg: var(--color-info-alpha); --_color: var(--color-info-text); --_border: var(--color-info); }
.badge--purple { --_bg: var(--color-purple-alpha); --_color: var(--color-purple-text); --_border: var(--color-purple); }

/* STATUS */
.status {
    padding: 15px;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    background: var(--_bg);
    color: var(--_color);
    border: 1px solid var(--_border);
}

.status--waiting { --_bg: var(--color-warning-alpha); --_color: var(--color-warning); --_border: var(--color-warning); }
.status--success { --_bg: var(--color-primary-alpha); --_color: var(--color-text-secondary); --_border: var(--color-primary); }
.status--error { --_bg: var(--color-danger-alpha); --_color: var(--color-danger-text); --_border: var(--color-danger); }

/* ───────────────────────────────────────────────────────────────────
   3.6. TABLES
   ─────────────────────────────────────────────────────────────────── */
.table-responsive { overflow-x: auto; }

.table { width: 100%; border-collapse: collapse; margin-top: var(--spacing-lg); }
.table th, .table td { padding: 12px; text-align: left; border-bottom: 1px solid var(--color-card-border); }
.table th { background: var(--color-input-bg); font-weight: 600; white-space: nowrap; color: var(--color-text-secondary); }
.table tbody tr:hover { background: rgba(75, 81, 64, 0.1); }
.table__actions { display: flex; gap: 0.5rem; justify-content: flex-end; }

/* ───────────────────────────────────────────────────────────────────
   3.7. LISTS
   ─────────────────────────────────────────────────────────────────── */
.list { margin-top: var(--spacing-lg); }

.list__item {
    background: var(--color-input-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid rgba(75, 81, 64, 0.3);
}

.list__item-info { flex: 1; }
.list__item-title { font-weight: 700; margin-bottom: 5px; color: var(--color-text-primary); }
.list__item-desc { font-size: 0.85rem; color: var(--color-text-tertiary); }
.list__item-meta { display: inline-block; background: var(--color-primary-alpha); color: var(--color-text-secondary); padding: 4px 10px; border-radius: 6px; font-size: 0.8rem; margin-top: 5px; border: 1px solid var(--color-primary); }
.list__item-actions { display: flex; gap: 8px; }

/* ───────────────────────────────────────────────────────────────────
   3.8. GRIDS
   ─────────────────────────────────────────────────────────────────── */
.grid { display: grid; gap: var(--spacing-lg); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--auto { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.grid--auto-sm { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.grid--auto-lg { grid-template-columns: repeat(auto-fill, minmax(350px, 1fr)); }

/* ───────────────────────────────────────────────────────────────────
   3.9. TABS
   ─────────────────────────────────────────────────────────────────── */
.tabs { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.tabs__btn {
    padding: 0.75rem 1.5rem;
    border: none;
    background: var(--color-bg-lighter);
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.tabs__btn:hover { background: var(--color-primary); transform: translateY(-2px); }
.tabs__btn--active { background: var(--color-primary); color: var(--color-text-primary); box-shadow: var(--shadow-sm); }

/* ───────────────────────────────────────────────────────────────────
   3.10. INFO BOX & HEADER
   ─────────────────────────────────────────────────────────────────── */
.info-box {
    background: var(--color-input-dark);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-md);
    font-size: 0.9rem;
    color: var(--color-text-tertiary);
    border: 1px solid var(--color-primary);
}

.info-box strong { color: var(--color-text-secondary); }
.info-box--bordered { border-left: 4px solid var(--color-primary); }

.header { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--spacing-xl); flex-wrap: wrap; gap: var(--spacing-md); }
.header__title { font-size: 1.8rem; color: var(--color-text-primary); }
.header__welcome { color: var(--color-text-secondary); font-size: 0.95rem; }

/* ───────────────────────────────────────────────────────────────────
   3.11. LOGO (Unificado)
   ─────────────────────────────────────────────────────────────────── */
.logo {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    filter: drop-shadow(0 8px 24px rgba(75, 81, 64, 0.4));
}

.logo img { width: 100%; border-radius: 15px; }

/* ───────────────────────────────────────────────────────────────────
   3.12. LOADING & EMPTY STATES
   ─────────────────────────────────────────────────────────────────── */
.loading { text-align: center; padding: var(--spacing-xxl); color: var(--color-text-secondary); font-size: 1.2rem; }

.spinner {
    border: 3px solid rgba(174, 178, 165, 0.2);
    border-top-color: var(--color-text-secondary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

.empty { text-align: center; padding: 60px 20px; color: var(--color-text-tertiary); }
.empty__icon { font-size: 4rem; margin-bottom: var(--spacing-lg); }
.empty__text { font-size: 1.2rem; margin-bottom: var(--spacing-sm); color: var(--color-text-secondary); }
.empty__hint { font-size: 0.9rem; }

.empty-state { text-align: center; padding: 3rem 1rem; color: var(--color-text-tertiary); }
.empty-state__icon { font-size: 3rem; margin-bottom: 1rem; }

/* ═════════════════════════════════════════════════════════════════════
   4. LAYOUTS
   ═════════════════════════════════════════════════════════════════════ */

/* ───────────────────────────────────────────────────────────────────
   4.1. AUTH LAYOUT
   ─────────────────────────────────────────────────────────────────── */
body.auth-layout {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-container {
    background: var(--color-card-bg);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 24px;
    box-shadow: var(--shadow-xl), 0 0 0 1px rgba(174, 178, 165, 0.1);
    max-width: 400px;
    width: 100%;
    animation: fadeIn 0.5s ease-out;
}

.auth__logo-container { text-align: center; margin-bottom: 30px; }
.auth__title { font-size: 1.8rem; margin-bottom: 5px; color: var(--color-text-primary); font-weight: 700; }
.auth__subtitle { color: var(--color-text-secondary); font-size: 0.9rem; }
.auth__footer { text-align: center; margin-top: 30px; padding-top: 20px; border-top: 1px solid rgba(174, 178, 165, 0.2); color: var(--color-text-tertiary); font-size: 0.85rem; }
.auth__version { margin-top: 10px; font-size: 0.75rem; color: var(--color-text-muted); }

/* ───────────────────────────────────────────────────────────────────
   4.2. HOME LAYOUT
   ─────────────────────────────────────────────────────────────────── */
body.home-layout {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding: 40px 20px;
}

body.home-layout .container {
    max-width: 600px;
    text-align: center;
    animation: fadeIn 0.5s ease-out;
    margin: auto 0;
}

.home__title { font-size: 2rem; margin-bottom: 10px; color: var(--color-text-primary); font-weight: 700; }
.home__welcome { color: var(--color-text-secondary); font-size: 1.1rem; margin-bottom: 40px; }

.home__menu { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin-bottom: 30px; }

.home__menu-btn {
    --_bg: transparent;
    --_bg-hover: transparent;
    --_border: var(--color-primary);
    
    background: var(--_bg);
    backdrop-filter: blur(10px);
    border: 2px solid var(--_border);
    padding: 30px 20px;
    border-radius: var(--radius-xl);
    text-decoration: none;
    color: var(--color-text-primary);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.home__menu-btn:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); background: var(--_bg-hover); }

.home__menu-btn--green { --_bg: rgba(75, 81, 64, 0.3); --_bg-hover: rgba(75, 81, 64, 0.5); --_border: var(--color-primary); }
.home__menu-btn--orange { --_bg: rgba(219, 161, 58, 0.15); --_bg-hover: rgba(219, 161, 58, 0.25); --_border: var(--color-warning); }
.home__menu-btn--blue { --_bg: rgba(90, 122, 155, 0.15); --_bg-hover: rgba(90, 122, 155, 0.25); --_border: var(--color-info); }
.home__menu-btn--purple { --_bg: rgba(138, 106, 155, 0.15); --_bg-hover: rgba(138, 106, 155, 0.25); --_border: var(--color-purple); }
.home__menu-btn--cyan { --_bg: rgba(90, 155, 155, 0.15); --_bg-hover: rgba(90, 155, 155, 0.25); --_border: var(--color-cyan); }
.home__menu-btn--yellow { --_bg: rgba(219, 161, 58, 0.15); --_bg-hover: rgba(219, 161, 58, 0.25); --_border: #dba13a; }
.home__menu-btn--pink { --_bg: rgba(216, 74, 138, 0.15); --_bg-hover: rgba(216, 74, 138, 0.25); --_border: #d84a8a; }

.home__menu-icon { font-size: 3rem; margin-bottom: 10px; }
.home__menu-label { font-weight: 700; font-size: 1.1rem; text-transform: uppercase; letter-spacing: 0.5px; }

.home__logout {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-text-secondary);
    padding: 12px 30px;
    border-radius: var(--radius-md);
    text-decoration: none;
    display: inline-block;
    transition: all var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.home__logout:hover { border-color: var(--color-danger); color: var(--color-text-primary); background: rgba(216, 74, 58, 0.1); }

/* ───────────────────────────────────────────────────────────────────
   4.3. MONITOR LAYOUT
   ─────────────────────────────────────────────────────────────────── */
.monitor { max-width: 900px; margin: 0 auto; padding: 15px; }

.monitor__weather {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    background: var(--color-card-bg);
    backdrop-filter: blur(10px);
    padding: 15px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-card-border);
}

.monitor__weather-icon { border-radius: var(--radius-sm); }
.monitor__weather-city { font-weight: 800; color: var(--color-text-primary); }
.monitor__weather-temps { font-weight: 800; color: var(--color-text-secondary); }

.monitor__toolbar { display: flex; gap: 12px; margin: 6px 0 14px; }

.monitor__search {
    flex: 1;
    background: var(--color-input-bg);
    border: 2px solid var(--color-primary);
    border-radius: 16px;
    padding: 12px 16px;
    display: flex;
    gap: 10px;
    transition: all var(--transition-normal);
}

.monitor__search:focus-within { border-color: var(--color-text-secondary); background: var(--color-input-focus); }
.monitor__search input { background: transparent; border: none; outline: none; color: var(--color-text-primary); width: 100%; }
.monitor__search input::placeholder { color: var(--color-text-muted); }

.monitor__station {
    background: var(--color-card-bg);
    backdrop-filter: blur(10px);
    padding: 22px;
    border-radius: var(--radius-lg);
    margin-bottom: 14px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-card-border);
}

.monitor__station-name { font-weight: 800; margin-bottom: 8px; color: var(--color-text-primary); font-size: 1.2rem; }

.monitor__pills { display: flex; gap: 14px; flex-wrap: wrap; margin: 4px 0 10px; }
.monitor__pill { background: var(--color-input-dark); padding: 8px 12px; border-radius: var(--radius-sm); border: 1px solid var(--color-primary); color: var(--color-text-secondary); font-size: 0.85rem; }

.monitor__battery { display: flex; justify-content: space-between; margin: 8px 0 14px; color: var(--color-text-secondary); align-items: center; }
.monitor__battery-level { font-weight: 800; display: flex; gap: 8px; align-items: center; }

.monitor__gauges { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.monitor__gauge { background: var(--color-input-dark); border-radius: 14px; padding: 12px; text-align: center; border: 1px solid var(--color-primary); }
.monitor__gauge-title { margin: 8px 0 6px; font-weight: 700; color: var(--color-text-secondary); font-size: 0.9rem; }
.monitor__gauge-chart { width: 100%; height: 200px; }
.monitor__gauge-value { margin-top: 10px; font-weight: 800; font-size: 1rem; color: var(--color-text-primary); }

.monitor__sensors { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-top: 14px; }
.monitor__sensor { background: var(--color-input-dark); border-radius: 12px; padding: 15px; text-align: center; border: 1px solid var(--color-primary); }
.monitor__sensor-title { margin: 0 0 10px 0; font-weight: 700; color: var(--color-text-secondary); font-size: 0.85rem; }
.monitor__sensor-value { font-size: 1.8rem; font-weight: 800; color: var(--color-text-primary); margin: 10px 0; }

.monitor__nav {
    position: sticky;
    bottom: 0;
    display: flex;
    justify-content: space-around;
    padding: 10px 8px;
    background: rgba(26, 29, 23, 0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--color-primary);
    border-radius: 18px 18px 0 0;
    margin-top: 16px;
}

.monitor__nav-item { color: var(--color-text-secondary); font-weight: 700; font-size: 0.95rem; }

/* ───────────────────────────────────────────────────────────────────
   4.4. TREE (Hierarquia)
   ─────────────────────────────────────────────────────────────────── */
.tree {
    background: var(--color-card-bg);
    backdrop-filter: blur(10px);
    padding: 25px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-card-border);
}

.tree__node { position: relative; padding-left: 0; }

.tree__node-header {
    display: flex;
    align-items: center;
    padding: 15px;
    background: var(--color-input-dark);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 2px solid var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.tree__node-header:hover { background: rgba(75, 81, 64, 0.2); border-color: var(--color-text-secondary); }
.tree__node-header--expanded { border-color: var(--color-text-secondary); }

.tree__toggle { font-size: 1.2rem; margin-right: 15px; min-width: 20px; text-align: center; transition: transform var(--transition-normal); color: var(--color-text-secondary); }
.tree__toggle--expanded { transform: rotate(90deg); }

.tree__icon { font-size: 1.8rem; margin-right: 15px; }
.tree__content { flex: 1; }
.tree__title { font-size: 1.1rem; font-weight: 700; margin-bottom: 5px; color: var(--color-text-primary); }
.tree__subtitle { font-size: 0.85rem; color: var(--color-text-tertiary); }

.tree__children { margin-left: 40px; margin-top: var(--spacing-sm); padding-left: var(--spacing-lg); border-left: 2px solid rgba(75, 81, 64, 0.5); display: none; }
.tree__children--show { display: block; animation: slideDown 0.3s ease-out; }

/* ───────────────────────────────────────────────────────────────────
   4.5. DASHBOARD
   ─────────────────────────────────────────────────────────────────── */
.dashboard__metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: var(--spacing-lg); margin-bottom: var(--spacing-xl); }

.metric {
    background: var(--color-card-bg);
    backdrop-filter: blur(10px);
    padding: 25px;
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-primary);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.metric::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--color-primary), var(--color-primary-hover)); }
.metric:hover { border-color: var(--color-text-secondary); transform: translateY(-5px); box-shadow: var(--shadow-lg); }

.metric__icon { font-size: 3rem; margin-bottom: 15px; }
.metric__value { font-size: 2.5rem; font-weight: 700; color: var(--color-text-secondary); margin-bottom: 5px; }
.metric__label { font-size: 1rem; color: var(--color-text-tertiary); margin-bottom: var(--spacing-sm); }
.metric__trend { font-size: 0.85rem; padding: 5px 10px; border-radius: var(--radius-sm); display: inline-block; margin-top: var(--spacing-sm); }
.metric__trend--up { background: var(--color-primary-alpha); color: var(--color-text-secondary); border: 1px solid var(--color-primary); }

.dashboard__charts { display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: var(--spacing-lg); margin-bottom: var(--spacing-xl); }

.chart { background: var(--color-card-bg); backdrop-filter: blur(10px); padding: 25px; border-radius: var(--radius-lg); border: 1px solid var(--color-card-border); }
.chart__title { font-size: 1.2rem; font-weight: 700; color: var(--color-text-secondary); margin-bottom: var(--spacing-lg); }
.chart__container { width: 100%; height: 300px; }

.progress { width: 100%; height: 8px; background: rgba(13, 13, 13, 0.8); border-radius: 10px; overflow: hidden; margin-top: var(--spacing-sm); }
.progress__fill { height: 100%; background: linear-gradient(90deg, var(--color-primary), var(--color-primary-hover)); transition: width 1s ease; }

/* ───────────────────────────────────────────────────────────────────
   4.6. DESIGNAÇÃO
   ─────────────────────────────────────────────────────────────────── */
.stats-badges { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: var(--spacing-md); }

.stats-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 18px;
    background: var(--color-input-bg);
    border: 2px solid var(--color-card-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-size: 0.95rem;
}

.stats-badge:hover { border-color: var(--color-primary); background: rgba(75, 81, 64, 0.2); transform: translateY(-2px); }
.stats-badge--active { border-color: var(--color-primary); background: var(--color-primary-alpha); box-shadow: var(--shadow-sm); }
.stats-badge__icon { font-size: 1.3rem; }
.stats-badge__label { color: var(--color-text-secondary); font-weight: 600; }
.stats-badge__value { color: var(--color-text-primary); font-weight: 700; font-size: 1.1rem; }

.filters-inline { display: flex; align-items: center; gap: 15px; flex-wrap: wrap; padding-top: 15px; border-top: 1px solid var(--color-card-border); }
.filters-inline__group { display: flex; align-items: center; gap: 10px; }
.filters-inline__label { font-weight: 600; color: var(--color-text-secondary); font-size: 0.9rem; white-space: nowrap; }

.designation { display: grid; grid-template-columns: repeat(auto-fill, minmax(350px, 1fr)); gap: var(--spacing-lg); }

.designation__card {
    background: var(--color-card-bg);
    backdrop-filter: blur(10px);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-primary);
    transition: all var(--transition-normal);
}

.designation__card--assigned { border-color: var(--color-primary); background: rgba(75, 81, 64, 0.2); }
.designation__card--pending { border-color: var(--color-warning); }

.designation__header { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--spacing-md); padding-bottom: var(--spacing-md); border-bottom: 1px solid rgba(75, 81, 64, 0.5); }
.designation__title { font-size: 1.2rem; font-weight: 700; color: var(--color-text-primary); }

.designation__info-row { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid rgba(75, 81, 64, 0.3); }
.designation__info-label { color: var(--color-text-tertiary); font-size: 0.9rem; }
.designation__info-value { font-weight: 600; color: var(--color-text-secondary); }

.designation__current { background: var(--color-input-dark); padding: 12px; border-radius: var(--radius-sm); margin-bottom: var(--spacing-md); border: 1px solid var(--color-primary); }
.designation__current-title { font-size: 0.85rem; color: var(--color-text-tertiary); margin-bottom: 5px; }
.designation__current-name { font-weight: 700; color: var(--color-text-secondary); font-size: 1.1rem; }
.designation__current-details { font-size: 0.85rem; color: var(--color-text-tertiary); margin-top: 5px; }

/* Compact variant */
.designation--compact { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 15px; }
.designation--compact .designation__card { padding: 18px; }
.designation--compact .designation__header { margin-bottom: 12px; }
.designation--compact .designation__title { font-size: 1.1rem; }
.designation--compact .designation__info-row { padding: 6px 0; font-size: 0.9rem; }
.designation--compact .designation__current { padding: 10px; margin-top: 10px; }
.designation--compact .designation__current-title { font-size: 0.8rem; }
.designation--compact .designation__current-name { font-size: 1rem; }
.designation--compact .designation__current-details { font-size: 0.8rem; }

/* ───────────────────────────────────────────────────────────────────
   4.7. LOG
   ─────────────────────────────────────────────────────────────────── */
.log {
    background: rgba(13, 13, 13, 0.8);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    max-height: 200px;
    overflow-y: auto;
    margin-top: var(--spacing-sm);
    border: 1px solid var(--color-primary);
}

.log__entry { margin-bottom: 5px; padding: 5px; border-left: 3px solid var(--color-text-secondary); padding-left: 10px; color: var(--color-text-tertiary); }
.log__entry--error { border-left-color: var(--color-danger); color: var(--color-danger-text); }
.log__entry--success { border-left-color: var(--color-primary); color: var(--color-text-secondary); }

/* ───────────────────────────────────────────────────────────────────
   4.8. DELETE MODAL
   ─────────────────────────────────────────────────────────────────── */
.modal__content--delete { max-width: 450px; }

.delete-message { background: var(--color-input-bg); padding: 1rem; border-radius: var(--radius-md); margin-bottom: 1.5rem; white-space: pre-line; line-height: 1.6; color: var(--color-text-primary); }

.delete-options { display: flex; flex-direction: column; gap: 0.75rem; margin-bottom: 1rem; }

.delete-option {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border: 2px solid var(--color-card-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    background: var(--color-card-bg);
}

.delete-option:hover { border-color: var(--color-primary); background: rgba(75, 81, 64, 0.2); }

.delete-option__icon { font-size: 1.5rem; width: 40px; text-align: center; }
.delete-option__content { flex: 1; }
.delete-option__content strong { display: block; margin-bottom: 0.25rem; color: var(--color-text-primary); }
.delete-option__content p { margin: 0; font-size: 0.85rem; color: var(--color-text-tertiary); }

.delete-option--cascade:hover { border-color: var(--color-danger); background: rgba(216, 74, 58, 0.1); }
.delete-option--keep:hover { border-color: var(--color-warning); background: rgba(219, 161, 58, 0.1); }

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

.status-pendente { color: var(--color-warning); font-style: italic; }

/* ═════════════════════════════════════════════════════════════════════
   5. RESPONSIVIDADE
   ═════════════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
    body { padding: var(--spacing-sm); }
    
    .header { flex-direction: column; align-items: flex-start; }
    .header__title { font-size: 1.5rem; }
    
    .card { padding: var(--spacing-lg); }
    .modal__content { width: 95%; }
    
    .grid--2, .grid--3 { grid-template-columns: 1fr; }
    .home__menu { grid-template-columns: 1fr; }
    .monitor__gauges { grid-template-columns: 1fr; }
    .monitor__toolbar { flex-direction: column; }
    
    .table { font-size: 0.85rem; }
    .table th, .table td { padding: 8px; }
    
    .tree__children { margin-left: 20px; padding-left: 15px; }
    
    .dashboard__metrics { grid-template-columns: 1fr 1fr; }
    .dashboard__charts { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    body { padding: var(--spacing-sm); }
    .header__title { font-size: 1.4rem; }
    
    .auth-container { padding: 30px 20px; }
    .auth__title { font-size: 1.5rem; }
    
    .logo { width: 100px; height: 100px; }
    .home__title { font-size: 1.6rem; }
    
    body.home-layout { padding: 20px; }
    .dashboard__metrics { grid-template-columns: 1fr; }
}