/* ===================================
   ECLIPSE PRECISION - DESIGN SYSTEM
   Sistema de tokens de design unificado
   =================================== */

:root {
    /* === CORES PRIMÁRIAS (Laranja Eclipse) === */
    --color-primary-900: #8B2500;
    --color-primary-800: #A63300;
    --color-primary-700: #CC4400;
    --color-primary-600: #E35100;
    --color-primary-500: #FF6B00;  /* COR PRINCIPAL */
    --color-primary-400: #FF8A33;
    --color-primary-300: #FF9248;
    --color-primary-200: #FFBA80;
    --color-primary-100: #FFE0CC;
    
    /* Aliases para compatibilidade */
    --primary: var(--color-primary-500);
    --primary-dark: var(--color-primary-700);
    --primary-light: var(--color-primary-300);
    
    /* === NEUTRALS (Dark Theme) === */
    --color-neutral-900: #0A0A14;
    --color-neutral-800: #12121A;
    --color-neutral-700: #1A1A24;
    --color-neutral-600: #252536;
    --color-neutral-500: #36364D;
    --color-neutral-400: #5D5D7A;
    --color-neutral-300: #8A8AA7;
    --color-neutral-200: #B6B6D2;
    --color-neutral-100: #D8D8EA;
    --color-neutral-50: #EBEBF5;
    
    /* Aliases */
    --neutral-900: var(--color-neutral-900);
    --neutral-800: var(--color-neutral-800);
    --neutral-700: var(--color-neutral-700);
    
    /* === FEEDBACK COLORS === */
    --color-success: #4CAF50;
    --color-error: #FF4D6A;
    --color-warning: #FFAE00;
    --color-info: #00A3FF;
    
    /* Aliases */
    --success: var(--color-success);
    --error: var(--color-error);
    --warning: var(--color-warning);
    --info: var(--color-info);
    
    /* === BACKGROUNDS === */
    --bg-primary: var(--color-neutral-900);
    --bg-secondary: var(--color-neutral-800);
    --bg-tertiary: var(--color-neutral-700);
    --bg-card: rgba(18, 18, 26, 0.8);
    --bg-card-hover: rgba(26, 26, 36, 0.9);
    
    /* === TEXT COLORS === */
    --text-primary: var(--color-neutral-50);
    --text-secondary: var(--color-neutral-300);
    --text-tertiary: var(--color-neutral-400);
    
    /* === TIPOGRAFIA === */
    --font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-family-mono: 'Courier New', 'Monaco', monospace;
    
    /* Font Sizes (escala modular 1.25) */
    --text-xs: 0.75rem;      /* 12px */
    --text-sm: 0.875rem;     /* 14px */
    --text-base: 1rem;       /* 16px */
    --text-lg: 1.125rem;     /* 18px */
    --text-xl: 1.25rem;      /* 20px */
    --text-2xl: 1.5rem;      /* 24px */
    --text-3xl: 1.875rem;    /* 30px */
    --text-4xl: 2.25rem;     /* 36px */
    --text-5xl: 3rem;        /* 48px */
    --text-6xl: 3.75rem;     /* 60px */
    
    /* Font Weights */
    --font-thin: 100;
    --font-extralight: 200;
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;
    --font-black: 900;
    
    /* Line Heights */
    --leading-none: 1;
    --leading-tight: 1.25;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --leading-loose: 2;
    
    /* === ESPAÇAMENTO (8pt grid) === */
    --space-0: 0;
    --space-1: 0.25rem;   /* 4px */
    --space-2: 0.5rem;    /* 8px */
    --space-3: 0.75rem;   /* 12px */
    --space-4: 1rem;      /* 16px */
    --space-5: 1.25rem;   /* 20px */
    --space-6: 1.5rem;    /* 24px */
    --space-8: 2rem;      /* 32px */
    --space-10: 2.5rem;   /* 40px */
    --space-12: 3rem;     /* 48px */
    --space-16: 4rem;     /* 64px */
    --space-20: 5rem;     /* 80px */
    --space-24: 6rem;     /* 96px */
    --space-32: 8rem;     /* 128px */
    
    /* === BORDAS === */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 1rem;
    --border-radius-xl: 1.5rem;
    --border-radius-2xl: 2rem;
    --border-radius-full: 9999px;
    
    /* === SOMBRAS === */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 2px 4px 0 rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px -2px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.25);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.3);
    
    --shadow-primary: 0 8px 24px rgba(255, 107, 0, 0.3);
    --shadow-success: 0 8px 24px rgba(76, 175, 80, 0.3);
    --shadow-error: 0 8px 24px rgba(255, 77, 106, 0.3);
    --shadow-outline: 0 0 0 3px rgba(255, 107, 0, 0.45);
    
    /* === TRANSIÇÕES === */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Easings */
    --easing-linear: linear;
    --easing-ease: ease;
    --easing-ease-in: cubic-bezier(0.4, 0, 1, 1);
    --easing-ease-out: cubic-bezier(0, 0, 0.2, 1);
    --easing-ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --easing-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* === Z-INDEX === */
    --z-base: 0;
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    
    /* === GRID === */
    --container-padding: 2rem;
    --container-max-width: 1200px;
    
    /* === GRADIENTES === */
    --gradient-primary: linear-gradient(135deg, var(--primary), var(--primary-dark));
    --gradient-primary-hover: linear-gradient(135deg, var(--primary-light), var(--primary));
    --eclipse-gradient: linear-gradient(to bottom, var(--bg-primary), var(--bg-secondary));
}

/* === CLASSES UTILITÁRIAS === */

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--border-radius-md);
    font-weight: var(--font-semibold);
    font-size: var(--text-base);
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
    font-family: var(--font-family);
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(255, 107, 0, 0.4);
    background: var(--gradient-primary-hover);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background: rgba(255, 107, 0, 0.1);
    border-color: var(--primary-light);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-lg);
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
}

/* Loading state */
.btn.loading {
    opacity: 0.7;
    cursor: not-allowed;
    pointer-events: none;
}

/* Tipografia */
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-error { color: var(--error); }
.text-warning { color: var(--warning); }

.font-bold { font-weight: var(--font-bold); }
.font-semibold { font-weight: var(--font-semibold); }
.font-medium { font-weight: var(--font-medium); }

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

/* Espaçamento */
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }
.p-4 { padding: var(--space-4); }
.p-8 { padding: var(--space-8); }

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: var(--space-6);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Skeleton Loader */
.skeleton {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.05) 25%,
        rgba(255, 255, 255, 0.1) 50%,
        rgba(255, 255, 255, 0.05) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--border-radius-md);
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Spinner */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}

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

/* Toast Container */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: var(--z-tooltip);
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 400px;
}

.toast {
    background: white;
    color: #333;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 12px;
    transform: translateX(400px);
    transition: transform 0.3s var(--easing-bounce);
}

.toast.show {
    transform: translateX(0);
}

.toast-success {
    border-left: 4px solid var(--success);
}

.toast-success i:first-child {
    color: var(--success);
}

.toast-error {
    border-left: 4px solid var(--error);
}

.toast-error i:first-child {
    color: var(--error);
}

.toast-warning {
    border-left: 4px solid var(--warning);
}

.toast-warning i:first-child {
    color: var(--warning);
}

.toast-close {
    margin-left: auto;
    background: transparent;
    border: none;
    cursor: pointer;
    color: #999;
    transition: color 0.2s ease;
    padding: 4px;
}

.toast-close:hover {
    color: #333;
}

/* Responsive */
@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }
    
    .toast-container {
        left: 10px;
        right: 10px;
        max-width: none;
    }
    
    .toast {
        transform: translateY(-100px);
    }
    
    .toast.show {
        transform: translateY(0);
    }
}