/**
 * AIDA Core CSS
 * Foundation styles and CSS variables
 *
 * @package AIDA_Core
 * @version 1.0.0
 */

/* ==========================================================================
   CSS VARIABLES - DESIGN TOKENS
   ========================================================================== */

:root {
    /* ----------------------------------------
       COLORS - DARK THEME
       ---------------------------------------- */
    --aida-dark: #08080c;
    --aida-dark-lighter: #0f0f19;
    --aida-dark-card: rgba(15, 15, 25, 0.95);
    --aida-dark-input: rgba(20, 20, 35, 0.9);
    
    /* ----------------------------------------
       COLORS - ACCENT (NEON)
       ---------------------------------------- */
    --aida-yellow: #ffae00;
    --aida-primary: #A855F7;
    --aida-cyan: #00fff5;
    --aida-magenta: #ff00ff;
    --aida-green: #39FF14;
    --aida-red: #ff6b6b;
    
    /* ----------------------------------------
       COLORS - TEXT
       ---------------------------------------- */
    --aida-text: #F1F5F9;
    --aida-text-muted: #94A3B8;
    --aida-text-dim: #64748B;
    
    /* ----------------------------------------
       COLORS - BORDERS
       ---------------------------------------- */
    --aida-border: rgba(255, 255, 255, 0.1);
    --aida-border-focus: rgba(168, 85, 247, 0.5);
    --aida-border-yellow: rgba(255, 174, 0, 0.4);
    --aida-border-cyan: rgba(0, 255, 245, 0.3);
    
    /* ----------------------------------------
       COLORS - SOCIAL NETWORKS
       ---------------------------------------- */
    --aida-linkedin: #0A66C2;
    --aida-instagram: #E1306C;
    --aida-x-twitter: #FFFFFF;
    --aida-whatsapp: #25D366;
    
    /* ----------------------------------------
       TYPOGRAPHY
       ---------------------------------------- */
    --aida-font-primary: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --aida-font-mono: 'Space Mono', 'Courier New', monospace;
    
    /* Font sizes */
    --aida-text-xs: 0.75rem;     /* 12px */
    --aida-text-sm: 0.875rem;    /* 14px */
    --aida-text-base: 1rem;      /* 16px */
    --aida-text-lg: 1.125rem;    /* 18px */
    --aida-text-xl: 1.25rem;     /* 20px */
    --aida-text-2xl: 1.5rem;     /* 24px */
    --aida-text-3xl: 1.875rem;   /* 30px */
    --aida-text-4xl: 2.25rem;    /* 36px */
    --aida-text-5xl: 3rem;       /* 48px */
    
    /* Font weights */
    --aida-font-light: 300;
    --aida-font-normal: 400;
    --aida-font-medium: 500;
    --aida-font-semibold: 600;
    --aida-font-bold: 700;
    --aida-font-extrabold: 800;
    
    /* Line heights */
    --aida-leading-none: 1;
    --aida-leading-tight: 1.2;
    --aida-leading-snug: 1.4;
    --aida-leading-normal: 1.6;
    --aida-leading-relaxed: 1.8;
    
    /* Letter spacing */
    --aida-tracking-tight: -0.02em;
    --aida-tracking-normal: 0;
    --aida-tracking-wide: 0.05em;
    --aida-tracking-wider: 0.1em;
    --aida-tracking-widest: 0.15em;
    
    /* ----------------------------------------
       SPACING
       ---------------------------------------- */
    --aida-spacing-0: 0;
    --aida-spacing-1: 0.25rem;   /* 4px */
    --aida-spacing-2: 0.5rem;    /* 8px */
    --aida-spacing-3: 0.75rem;   /* 12px */
    --aida-spacing-4: 1rem;      /* 16px */
    --aida-spacing-5: 1.25rem;   /* 20px */
    --aida-spacing-6: 1.5rem;    /* 24px */
    --aida-spacing-8: 2rem;      /* 32px */
    --aida-spacing-10: 2.5rem;   /* 40px */
    --aida-spacing-12: 3rem;     /* 48px */
    --aida-spacing-16: 4rem;     /* 64px */
    --aida-spacing-20: 5rem;     /* 80px */
    --aida-spacing-24: 6rem;     /* 96px */
    
    /* ----------------------------------------
       BORDER RADIUS
       ---------------------------------------- */
    --aida-radius-none: 0;
    --aida-radius-sm: 4px;
    --aida-radius-md: 8px;
    --aida-radius-lg: 12px;
    --aida-radius-xl: 16px;
    --aida-radius-2xl: 20px;
    --aida-radius-3xl: 24px;
    --aida-radius-full: 100px;
    
    /* ----------------------------------------
       TRANSITIONS
       ---------------------------------------- */
    --aida-transition-fast: 0.15s ease;
    --aida-transition: 0.3s ease;
    --aida-transition-slow: 0.5s ease;
    --aida-transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* ----------------------------------------
       SHADOWS
       ---------------------------------------- */
    --aida-shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.2);
    --aida-shadow-sm: 0 2px 8px -2px rgba(0, 0, 0, 0.3);
    --aida-shadow-md: 0 4px 16px -4px rgba(0, 0, 0, 0.4);
    --aida-shadow-lg: 0 8px 32px -8px rgba(0, 0, 0, 0.5);
    --aida-shadow-xl: 0 16px 48px -12px rgba(0, 0, 0, 0.6);
    
    /* Glow shadows */
    --aida-glow-yellow: 0 0 30px -10px var(--aida-yellow);
    --aida-glow-primary: 0 0 30px -10px var(--aida-primary);
    --aida-glow-cyan: 0 0 30px -10px var(--aida-cyan);
    --aida-glow-magenta: 0 0 30px -10px var(--aida-magenta);
    --aida-glow-green: 0 0 30px -10px var(--aida-green);
    
    /* ----------------------------------------
       Z-INDEX SCALE
       ---------------------------------------- */
    --aida-z-dropdown: 100;
    --aida-z-sticky: 200;
    --aida-z-fixed: 300;
    --aida-z-overlay: 400;
    --aida-z-modal: 500;
    --aida-z-popover: 600;
    --aida-z-tooltip: 700;
    --aida-z-toast: 800;
    --aida-z-max: 9999;
    
    /* ----------------------------------------
       CONTAINER WIDTHS
       ---------------------------------------- */
    --aida-container-sm: 640px;
    --aida-container-md: 768px;
    --aida-container-lg: 1024px;
    --aida-container-xl: 1200px;
    --aida-container-2xl: 1400px;
    
    /* ----------------------------------------
       GRADIENTS
       ---------------------------------------- */
    --aida-gradient-primary: linear-gradient(135deg, var(--aida-yellow) 0%, var(--aida-primary) 100%);
    --aida-gradient-neon: linear-gradient(135deg, var(--aida-cyan) 0%, var(--aida-primary) 50%, var(--aida-magenta) 100%);
    --aida-gradient-dark: linear-gradient(180deg, var(--aida-dark) 0%, var(--aida-dark-lighter) 100%);
}

/* ==========================================================================
   BASE RESET & NORMALIZATION
   ========================================================================== */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
    scroll-behavior: smooth;
}

/* ==========================================================================
   AIDA THEME BASE STYLES
   ========================================================================== */

body.aida-theme {
    margin: 0;
    padding: 0;
    font-family: var(--aida-font-primary);
    font-size: var(--aida-text-base);
    font-weight: var(--aida-font-normal);
    line-height: var(--aida-leading-normal);
    color: var(--aida-text);
    background-color: var(--aida-dark);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Links */
body.aida-theme a {
    color: var(--aida-primary);
    text-decoration: none;
    transition: color var(--aida-transition);
}

body.aida-theme a:hover {
    color: var(--aida-yellow);
}

/* Headings */
body.aida-theme h1,
body.aida-theme h2,
body.aida-theme h3,
body.aida-theme h4,
body.aida-theme h5,
body.aida-theme h6 {
    font-family: var(--aida-font-primary);
    font-weight: var(--aida-font-bold);
    line-height: var(--aida-leading-tight);
    color: var(--aida-text);
    margin: 0;
}

/* Paragraphs */
body.aida-theme p {
    margin: 0 0 var(--aida-spacing-4);
    color: var(--aida-text-muted);
}

/* Selection */
body.aida-theme ::selection {
    background-color: var(--aida-primary);
    color: var(--aida-text);
}

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */

/* Text colors */
.aida-text-yellow { color: var(--aida-yellow) !important; }
.aida-text-primary { color: var(--aida-primary) !important; }
.aida-text-cyan { color: var(--aida-cyan) !important; }
.aida-text-magenta { color: var(--aida-magenta) !important; }
.aida-text-green { color: var(--aida-green) !important; }
.aida-text-muted { color: var(--aida-text-muted) !important; }
.aida-text-dim { color: var(--aida-text-dim) !important; }

/* Background colors */
.aida-bg-dark { background-color: var(--aida-dark) !important; }
.aida-bg-dark-lighter { background-color: var(--aida-dark-lighter) !important; }
.aida-bg-card { background-color: var(--aida-dark-card) !important; }

/* Gradients */
.aida-gradient-text {
    background: var(--aida-gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.aida-gradient-neon-text {
    background: var(--aida-gradient-neon);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Font families */
.aida-font-primary { font-family: var(--aida-font-primary) !important; }
.aida-font-mono { font-family: var(--aida-font-mono) !important; }

/* Glow effects */
.aida-glow-yellow { box-shadow: var(--aida-glow-yellow); }
.aida-glow-primary { box-shadow: var(--aida-glow-primary); }
.aida-glow-cyan { box-shadow: var(--aida-glow-cyan); }

/* Hide scrollbar utility */
.aida-no-scrollbar {
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.aida-no-scrollbar::-webkit-scrollbar {
    display: none;
}

/* Screen reader only */
.aida-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==========================================================================
   COMMON COMPONENTS
   ========================================================================== */

/* Tag/Badge base style */
.aida-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--aida-spacing-2);
    padding: var(--aida-spacing-2) var(--aida-spacing-4);
    background: rgba(168, 85, 247, 0.15);
    border: 1px solid rgba(168, 85, 247, 0.4);
    border-radius: var(--aida-radius-full);
    font-family: var(--aida-font-mono);
    font-size: var(--aida-text-xs);
    letter-spacing: var(--aida-tracking-wider);
    text-transform: uppercase;
    color: var(--aida-primary);
}

.aida-tag--yellow {
    background: rgba(255, 174, 0, 0.15);
    border-color: rgba(255, 174, 0, 0.4);
    color: var(--aida-yellow);
}

.aida-tag--cyan {
    background: rgba(0, 255, 245, 0.15);
    border-color: rgba(0, 255, 245, 0.4);
    color: var(--aida-cyan);
}

.aida-tag--green {
    background: rgba(57, 255, 20, 0.15);
    border-color: rgba(57, 255, 20, 0.4);
    color: var(--aida-green);
}

/* Button base */
.aida-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--aida-spacing-2);
    padding: var(--aida-spacing-4) var(--aida-spacing-8);
    font-family: var(--aida-font-primary);
    font-size: var(--aida-text-base);
    font-weight: var(--aida-font-semibold);
    border-radius: var(--aida-radius-lg);
    cursor: pointer;
    transition: all var(--aida-transition);
    border: none;
    text-decoration: none;
}

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

.aida-btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px -10px rgba(255, 174, 0, 0.5);
}

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

.aida-btn--outline:hover {
    border-color: var(--aida-primary);
    background: rgba(168, 85, 247, 0.1);
}

/* Card base */
.aida-card {
    background: var(--aida-dark-card);
    border: 1px solid var(--aida-border);
    border-radius: var(--aida-radius-xl);
    padding: var(--aida-spacing-6);
    backdrop-filter: blur(10px);
    transition: all var(--aida-transition);
}

.aida-card:hover {
    border-color: var(--aida-primary);
    box-shadow: var(--aida-glow-primary);
}

/* Form input base */
.aida-input {
    width: 100%;
    background: var(--aida-dark-input);
    border: 1px solid var(--aida-border);
    border-radius: var(--aida-radius-lg);
    padding: var(--aida-spacing-4);
    color: var(--aida-text);
    font-family: var(--aida-font-primary);
    font-size: var(--aida-text-base);
    transition: all var(--aida-transition);
}

.aida-input:focus {
    outline: none;
    border-color: var(--aida-border-focus);
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.1);
}

.aida-input::placeholder {
    color: var(--aida-text-dim);
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */

/* Pulse animation */
@keyframes aida-pulse {
    0%, 100% {
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(57, 255, 20, 0.4);
    }
    50% {
        opacity: 0.8;
        box-shadow: 0 0 0 10px rgba(57, 255, 20, 0);
    }
}

.aida-pulse {
    animation: aida-pulse 2s ease-in-out infinite;
}

/* Glow animation */
@keyframes aida-glow {
    0%, 100% {
        box-shadow: 0 0 20px -5px var(--aida-primary);
    }
    50% {
        box-shadow: 0 0 40px -5px var(--aida-primary);
    }
}

.aida-animate-glow {
    animation: aida-glow 2s ease-in-out infinite;
}

/* Float animation */
@keyframes aida-float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

.aida-animate-float {
    animation: aida-float 3s ease-in-out infinite;
}

/* Fade in */
@keyframes aida-fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.aida-fade-in {
    animation: aida-fadeIn 0.5s ease-out forwards;
}

/* Spin */
@keyframes aida-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.aida-spin {
    animation: aida-spin 1s linear infinite;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS (Mobile First)
   ========================================================================== */

/* Small (sm): 640px+ */
@media (min-width: 640px) {
    :root {
        --aida-text-5xl: 3.5rem;
    }
}

/* Medium (md): 768px+ */
@media (min-width: 768px) {
    :root {
        --aida-text-5xl: 4rem;
    }
}

/* Large (lg): 1024px+ */
@media (min-width: 1024px) {
    :root {
        --aida-text-5xl: 4.5rem;
    }
}

/* Extra Large (xl): 1280px+ */
@media (min-width: 1280px) {
    :root {
        --aida-text-5xl: 5rem;
    }
}