/*
 * Climate Fresh Theme for pkgdown - climasus4r
 * Inspired by Tailwind CSS, Vercel, and Stripe Docs
 */

/* --- Fonts --- */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Fira+Code:wght@400;500&display=swap");

/* --- Variables --- */
:root {
    --bs-body-bg: #f8fafc; /* slate-50 */
    --bs-body-color: #1e293b; /* slate-900 */
    --bs-primary: #10b981; /* emerald-500 */
    --bs-primary-rgb: 16, 185, 129;
    --bs-secondary: #3b82f6; /* blue-500 */
    --bs-link-color: #10b981;
    --bs-link-hover-color: #059669; /* emerald-600 */
    --code-bg: #f1f5f9; /* slate-100 */
    --border-color: #e2e8f0; /* slate-200 */
    --text-muted: #64748b; /* slate-500 */
}

/* --- General Body & Typography --- */
body {
    font-family: "Inter", sans-serif;
    background-color: var(--bs-body-bg);
    color: var(--bs-body-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: #0f172a; /* slate-950 */
}

/* --- Navbar --- */
.navbar {
    background: rgba(255, 255, 255, 0.8) !important;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
    background: linear-gradient(135deg, var(--bs-primary) 0%, var(--bs-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-link {
    color: #475569 !important; /* slate-600 */
    font-weight: 500;
    transition: color 0.2s ease-in-out;
}

.nav-link:hover, .nav-link.active {
    color: var(--bs-primary) !important;
}

/* --- Main Content & Sidebar --- */
.contents {
    background-color: transparent;
    border-left: 1px solid var(--border-color);
}

.sidebar nav[data-bs-spy="scroll"] .nav-link {
    color: var(--text-muted);
    border-left: 1px solid transparent;
    transition: all 0.2s ease-in-out;
}

.sidebar nav[data-bs-spy="scroll"] .nav-link.active, 
.sidebar nav[data-bs-spy="scroll"] .nav-link:hover {
    color: var(--bs-primary);
    border-left-color: var(--bs-primary);
    background-color: rgba(16, 185, 129, 0.05);
    transform: translateX(4px);
}

/* --- Code Blocks --- */
pre, code, kbd, samp {
    font-family: "Fira Code", monospace;
}

pre {
    background-color: var(--code-bg) !important;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.25rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

/* Syntax Highlighting - Vercel/Stripe inspired */
.sourceCode .kw { color: #be185d; } /* Keywords (pink) */
.sourceCode .dt { color: #059669; } /* Data types (emerald) */
.sourceCode .dv { color: #d97706; } /* Decimal values (amber) */
.sourceCode .bn { color: #d97706; } /* Base-n values */
.sourceCode .fl { color: #d97706; } /* Float values */
.sourceCode .ch { color: #2563eb; } /* Char values (blue) */
.sourceCode .st { color: #2563eb; } /* String values */
.sourceCode .co { color: #64748b; } /* Comments (slate) */
.sourceCode .al { color: #dc2626; } /* Alerts (red) */
.sourceCode .fu { color: #7c3aed; } /* Functions (violet) */
.sourceCode .er { color: #dc2626; } /* Errors */
.sourceCode .va { color: #1e293b; } /* Variables (slate) */
.sourceCode .cf { color: #be185d; } /* Control flow */
.source-line { color: #94a3b8; } /* Line numbers */

/* --- Tables --- */
.table {
    --bs-table-bg: #fff;
    --bs-table-border-color: var(--border-color);
    --bs-table-striped-bg: #f8fafc; /* slate-50 */
    --bs-table-hover-bg: #f1f5f9; /* slate-100 */
    color: var(--bs-body-color);
    border-radius: 0.75rem;
    overflow: hidden;
}

.table th {
    background-color: #f8fafc;
    font-weight: 600;
}

/* --- Links & Buttons --- */
a {
    color: var(--bs-link-color);
    text-decoration: none;
    transition: color 0.2s ease-in-out;
}

a:hover {
    color: var(--bs-link-hover-color);
    text-decoration: none;
}

.btn-primary {
    background-color: var(--bs-primary);
    border-color: var(--bs-primary);
    color: #fff;
    font-weight: 600;
    transition: all 0.2s ease-in-out;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
}

.btn-primary:hover {
    background-color: #059669;
    border-color: #059669;
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1), 0 2px 4px rgba(0,0,0,0.06);
}

/* --- Other Elements --- */
.section h1, .section h2, .section h3, .section h4 {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

blockquote {
    border-left: 4px solid var(--bs-primary);
    background-color: rgba(16, 185, 129, 0.05);
    padding: 1rem 1.5rem;
    color: #334155; /* slate-700 */
    border-radius: 0 0.5rem 0.5rem 0;
}

/* =========================
   🧠 AI PERSONALIZATION LAYER
   ========================= */

[data-user="beginner"] {
    --font-scale: 1.05;
    --spacing-scale: 1.1;
}

[data-user="expert"] {
    --font-scale: 0.95;
    --spacing-scale: 0.9;
}

body {
    font-size: calc(1rem * var(--font-scale, 1));
}

.container {
    padding: calc(1rem * var(--spacing-scale, 1));
}

/* =========================
   🚀 HERO SECTION
   ========================= */

.hero {
    padding: 6rem 1rem 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.03em;

    background: linear-gradient(
        135deg,
        var(--primary),
        var(--secondary),
        var(--accent)
    );
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;

    animation: gradientShift 6s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 720px;
    margin: 1rem auto;
}

/* =========================
   🧊 DEPTH SYSTEM
   ========================= */

.layer-1 { box-shadow: var(--shadow-sm); }
.layer-2 { box-shadow: var(--shadow-md); }
.layer-3 { box-shadow: var(--shadow-lg); }
.layer-4 { box-shadow: var(--shadow-xl); }

.glow {
    box-shadow: 0 0 40px var(--primary-glow);
}

/* =========================
   ⚡ SIGNATURE MOTION
   ========================= */

.interactive {
    transition: 
        transform var(--transition-base),
        box-shadow var(--transition-base),
        filter var(--transition-base);
}

.interactive:hover {
    transform: translateY(-6px) scale(1.01);
    filter: brightness(1.05);
}

/* Entrada mais premium */
@keyframes smoothFade {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.section {
    animation: smoothFade 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}


/* =========================
   🤖 AI FEEDBACK STATES
   ========================= */

[data-state="loading"] {
    opacity: 0.6;
    pointer-events: none;
}

[data-state="success"] {
    animation: successPulse 0.4s ease;
}

@keyframes successPulse {
    0% { box-shadow: 0 0 0 0 var(--success); }
    100% { box-shadow: 0 0 0 10px transparent; }
}

/* =========================
   ✍️ EDITORIAL TYPOGRAPHY
   ========================= */

h1, h2, h3 {
    line-height: 1.2;
}

h2 {
    font-size: 2rem;
    margin-top: 3rem;
}

p {
    max-width: 70ch;
}