/* ================================================
   ACQUATECH SMART - Design Tokens
   Sistema de variaveis CSS para consistencia visual
   ================================================ */

:root {
    /* ----------------------------------------
       CORES PRIMARIAS
       ---------------------------------------- */
    --color-primary: #2563eb;
    --color-primary-light: #3b82f6;
    --color-primary-dark: #1d4ed8;
    --color-primary-50: #eff6ff;
    --color-primary-100: #dbeafe;
    --color-primary-200: #bfdbfe;
    --color-primary-rgb: 37, 99, 235;

    /* ----------------------------------------
       CORES SEMANTICAS
       ---------------------------------------- */
    --color-success: #16a34a;
    --color-success-light: #22c55e;
    --color-success-50: #f0fdf4;
    --color-success-100: #dcfce7;
    --color-success-rgb: 22, 163, 74;

    --color-danger: #dc2626;
    --color-danger-light: #ef4444;
    --color-danger-50: #fef2f2;
    --color-danger-100: #fee2e2;
    --color-danger-rgb: 220, 38, 38;

    --color-warning: #d97706;
    --color-warning-light: #f59e0b;
    --color-warning-50: #fffbeb;
    --color-warning-100: #fef3c7;
    --color-warning-rgb: 217, 119, 6;

    --color-info: #0891b2;
    --color-info-light: #06b6d4;
    --color-info-50: #ecfeff;
    --color-info-100: #cffafe;
    --color-info-rgb: 8, 145, 178;

    /* ----------------------------------------
       CORES NEUTRAS
       ---------------------------------------- */
    --color-white: #ffffff;
    --color-bg: #f8fafc;
    --color-bg-secondary: #f1f5f9;
    --color-surface: #ffffff;
    --color-surface-hover: #f8fafc;
    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;
    --color-divider: #e2e8f0;

    /* ----------------------------------------
       CORES DE TEXTO
       ---------------------------------------- */
    --color-text: #1e293b;
    --color-text-secondary: #64748b;
    --color-text-muted: #94a3b8;
    --color-text-inverse: #ffffff;
    --color-text-link: var(--color-primary);
    --color-text-link-hover: var(--color-primary-dark);

    /* ----------------------------------------
       SIDEBAR
       ---------------------------------------- */
    --sidebar-width: 260px;
    --sidebar-width-collapsed: 70px;
    --sidebar-bg: #1e293b;
    --sidebar-header-bg: #0f172a;
    --sidebar-text: #94a3b8;
    --sidebar-text-hover: #e2e8f0;
    --sidebar-active-bg: rgba(37, 99, 235, 0.12);
    --sidebar-active-text: #ffffff;
    --sidebar-active-indicator: var(--color-primary);
    --sidebar-hover-bg: #334155;
    --sidebar-section-text: #64748b;
    --sidebar-icon: #64748b;
    --sidebar-badge-bg: var(--color-danger);
    --sidebar-badge-text: #ffffff;

    /* ----------------------------------------
       NAVBAR
       ---------------------------------------- */
    --navbar-height: 64px;
    --navbar-bg: var(--color-white);
    --navbar-border: var(--color-border);
    --navbar-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);

    /* ----------------------------------------
       TIPOGRAFIA
       ---------------------------------------- */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

    --font-xs: 0.75rem;
    --font-sm: 0.875rem;
    --font-base: 1rem;
    --font-lg: 1.125rem;
    --font-xl: 1.25rem;
    --font-2xl: 1.5rem;
    --font-3xl: 1.875rem;
    --font-4xl: 2.25rem;

    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;

    --letter-spacing-tight: -0.025em;
    --letter-spacing-normal: 0;
    --letter-spacing-wide: 0.025em;
    --letter-spacing-wider: 0.05em;

    /* ----------------------------------------
       ESPACAMENTO (8px grid)
       ---------------------------------------- */
    --space-0: 0;
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;

    /* ----------------------------------------
       SOMBRAS
       ---------------------------------------- */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.07), 0 4px 6px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.08), 0 8px 10px rgba(0, 0, 0, 0.04);

    /* ----------------------------------------
       BORDER RADIUS
       ---------------------------------------- */
    --radius-xs: 4px;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 20px;
    --radius-full: 9999px;

    /* ----------------------------------------
       TRANSICOES
       ---------------------------------------- */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    --transition-sidebar: 300ms cubic-bezier(0.4, 0, 0.2, 1);

    /* ----------------------------------------
       Z-INDEX SCALE
       ---------------------------------------- */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-sidebar-overlay: 400;
    --z-sidebar: 500;
    --z-modal-backdrop: 600;
    --z-modal: 700;
    --z-toast: 800;
    --z-tooltip: 900;

    /* ----------------------------------------
       CORES DE MARCA (integracoes)
       ---------------------------------------- */
    --color-whatsapp: #25D366;
    --color-whatsapp-dark: #128C7E;
    --color-telegram: #0088CC;
    --color-telegram-dark: #0077B5;
}