/* ========================================
   MPB - Master Prompt Builder
   Design System & Global Styles
   ======================================== */

/* CSS Variables / Design Tokens */
:root {
    /* Colors */
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-card: rgba(255, 255, 255, 0.03);
    --color-bg-card-hover: rgba(255, 255, 255, 0.06);

    --color-text-primary: #ffffff;
    --color-text-secondary: rgba(255, 255, 255, 0.7);
    --color-text-tertiary: rgba(255, 255, 255, 0.5);

    --color-accent-primary: #667EEA;
    --color-accent-secondary: #764BA2;
    --color-accent-gradient: linear-gradient(135deg, #667EEA 0%, #764BA2 100%);

    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-error: #EF4444;
    --color-cta: #FFD93D;

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-blur: 20px;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 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;
    --font-size-5xl: 3.5rem;

    /* Spacing */
    --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;
    --space-20: 5rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(102, 126, 234, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Background & Patterns */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 50% -20%, rgba(102, 126, 234, 0.15), transparent 80%),
        radial-gradient(circle at 0% 100%, rgba(118, 75, 162, 0.1), transparent 50%),
        var(--color-bg-primary);
    z-index: -2;
}

/* Digital Grid Pattern */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(circle at 50% 50%, black, transparent 80%);
    pointer-events: none;
    z-index: -1;
}

/* Floating Tokens / Nodes */
.data-node {
    position: absolute;
    width: 150px;
    height: 150px;
    background: var(--color-accent-gradient);
    filter: blur(80px);
    opacity: 0.15;
    border-radius: 50%;
    pointer-events: none;
    animation: float-node 20s infinite alternate ease-in-out;
}

@keyframes float-node {
    0% {
        transform: translate(0, 0) scale(1);
    }

    100% {
        transform: translate(100px, 50px) scale(1.2);
    }
}

.node-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.node-2 {
    bottom: 15%;
    right: 10%;
    animation-delay: -5s;
}

.node-3 {
    top: 40%;
    right: 20%;
    animation-delay: -10s;
}

#app {
    min-height: 100vh;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-primary);
}

h1 {
    font-size: var(--font-size-5xl);
}

h2 {
    font-size: var(--font-size-4xl);
}

h3 {
    font-size: var(--font-size-3xl);
}

h4 {
    font-size: var(--font-size-2xl);
}

h5 {
    font-size: var(--font-size-xl);
}

h6 {
    font-size: var(--font-size-lg);
}

p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
}

a {
    color: var(--color-accent-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-accent-secondary);
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container-sm {
    max-width: 800px;
}

.container-lg {
    max-width: 1400px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 60px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--color-text-primary);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(var(--glass-blur));
}

.btn-secondary:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-accent-primary);
}

.btn-cta {
    background: linear-gradient(135deg, #FFD93D 0%, #FFB100 100%);
    color: #0F0F1A;
    font-weight: 800;
    letter-spacing: -0.2px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 30px rgba(255, 177, 0, 0.2);
}

.btn-cta:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 40px rgba(255, 177, 0, 0.4);
    background: linear-gradient(135deg, #FFB100 0%, #FFD93D 100%);
}

.btn-cta i,
.btn-cta svg {
    filter: drop-shadow(0 0 2px rgba(0, 0, 0, 0.2));
}

/* Efecto de brillo sutil en el botón */
.btn-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(120deg,
            transparent,
            rgba(255, 255, 255, 0.3),
            transparent);
    transition: all 0.6s;
}

.btn-cta:hover::before {
    left: 100%;
}

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

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

/* Cards */
.card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    backdrop-filter: blur(var(--glass-blur));
    transition: all var(--transition-base);
}

.card:hover {
    background: var(--color-bg-card-hover);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
}

.card-clickable {
    cursor: pointer;
}

.card-clickable:hover {
    box-shadow: var(--shadow-glow);
}

/* Chips / Tags */
.chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
}

.chip:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-accent-primary);
    color: var(--color-text-primary);
}

.chip.active {
    background: var(--color-accent-gradient);
    border-color: transparent;
    color: white;
}

.chip-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

/* Form Elements */
.input-group {
    margin-bottom: var(--space-6);
}

.input-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
}

.input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.input:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

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

.textarea {
    min-height: 120px;
    resize: vertical;
}

/* Slider */
.slider-container {
    margin: var(--space-4) 0;
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-2);
}

.slider {
    width: 100%;
    height: 6px;
    background: var(--glass-bg);
    border-radius: var(--radius-full);
    appearance: none;
    cursor: pointer;
}

.slider::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--color-accent-gradient);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-fast);
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 4px;
    background: var(--glass-bg);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: var(--color-accent-gradient);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

/* Step Indicator */
.steps-indicator {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-8);
}

.step-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    transition: all var(--transition-base);
}

.step-dot.active {
    background: var(--color-accent-gradient);
    border-color: transparent;
    box-shadow: 0 0 10px rgba(102, 126, 234, 0.5);
}

.step-dot.completed {
    background: var(--color-success);
    border-color: transparent;
}

/* Two Column Layout */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
    min-height: calc(100vh - var(--space-16));
}

@media (max-width: 968px) {
    .split-layout {
        grid-template-columns: 1fr;
    }
}

/* Preview Panel */
.preview-panel {
    position: sticky;
    top: var(--space-8);
    max-height: calc(100vh - var(--space-16));
    overflow-y: auto;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    backdrop-filter: blur(var(--glass-blur));
}

.preview-panel::-webkit-scrollbar {
    width: 6px;
}

.preview-panel::-webkit-scrollbar-track {
    background: transparent;
}

.preview-panel::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: var(--radius-full);
}

.preview-content {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', monospace;
    font-size: var(--font-size-sm);
    line-height: 1.8;
    white-space: pre-wrap;
    color: var(--color-text-secondary);
}

/* Emoji Icon */
.emoji-icon {
    font-size: 2rem;
    margin-bottom: var(--space-4);
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    background: rgba(102, 126, 234, 0.2);
    color: var(--color-accent-primary);
}

/* Utility Classes */
.text-center {
    text-align: center;
}

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

.mb-2 {
    margin-bottom: var(--space-2);
}

.mb-4 {
    margin-bottom: var(--space-4);
}

.mb-6 {
    margin-bottom: var(--space-6);
}

.mb-8 {
    margin-bottom: var(--space-8);
}

.mt-4 {
    margin-top: var(--space-4);
}

.mt-8 {
    margin-top: var(--space-8);
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

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

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-2 {
    gap: var(--space-2);
}

.gap-4 {
    gap: var(--space-4);
}

.gap-6 {
    gap: var(--space-6);
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: var(--font-size-3xl);
    }

    h2 {
        font-size: var(--font-size-2xl);
    }

    h3 {
        font-size: var(--font-size-xl);
    }

    .container {
        padding: 0 var(--space-4);
    }

    .btn-lg {
        padding: var(--space-3) var(--space-6);
        font-size: var(--font-size-base);
    }
}

/* Glass Chips for Integrations */
.glass-chip {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 14px 28px;
    border-radius: 100px;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--color-text-primary);
    display: inline-flex;
    align-items: center;
    gap: 12px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    margin: 8px;
    /* Espaciado entre chips */
}

.glass-chip:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--color-accent-primary);
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 12px 30px rgba(102, 126, 234, 0.3);
    color: white;
}

.chip-icon {
    font-size: 1.3rem;
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.4));
}

@media (max-width: 768px) {
    .glass-chip {
        padding: 8px 16px;
        font-size: 0.9rem;
    }
}