/* ═══════════════════════════════════════════════════════════════════
   Tronux Cloud Design System — Dark/Light Theme & Tokens
   ═══════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&family=Plus+Jakarta+Sans:wght@600;700;800&display=swap');

:root, html[data-theme="dark"] {
    --bg-main: #030303;
    --bg-surface: #0a0a0a;
    --bg-card: rgba(255, 255, 255, 0.025);
    --bg-input: rgba(255, 255, 255, 0.04);
    --bg-input-focus: rgba(255, 255, 255, 0.06);
    --bg-sidebar: #070707;
    --bg-header: rgba(3, 3, 3, 0.85);

    --border-color: rgba(255, 255, 255, 0.08);
    --border-light: rgba(255, 255, 255, 0.04);
    --border-focus: #b05733;

    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --copper-start: #894225;
    --copper-end: #b05733;
    --copper-hover-start: #b05733;
    --copper-hover-end: #df7247;
    --copper-glow: rgba(176, 87, 51, 0.35);

    --shadow-card: 0 16px 48px -8px rgba(0, 0, 0, 0.8);
    --shadow-popover: 0 20px 40px -10px rgba(0, 0, 0, 0.9);

    --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
}

html[data-theme="light"] {
    --bg-main: #f8fafc;
    --bg-surface: #ffffff;
    --bg-card: #ffffff;
    --bg-input: #f1f5f9;
    --bg-input-focus: #ffffff;
    --bg-sidebar: #ffffff;
    --bg-header: rgba(255, 255, 255, 0.95);

    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    --border-focus: #b05733;

    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;

    --shadow-card: 0 4px 20px -2px rgba(0, 0, 0, 0.05);
    --shadow-popover: 0 12px 28px -4px rgba(0, 0, 0, 0.1);
}

/* Inversão da logo oficial em Modo Claro para visibilidade perfeita */
html[data-theme="light"] .tronux-logo-img,
html[data-theme="light"] .tronux-header-logo-img {
    filter: invert(1) brightness(0.2);
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.2s ease, color 0.2s ease;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

/* Copper Gradient Accent Utility */
.gradient-cobre {
    background: linear-gradient(135deg, var(--copper-start) 0%, var(--copper-end) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.btn-copper {
    background: linear-gradient(135deg, var(--copper-start) 0%, var(--copper-end) 100%) !important;
    color: #ffffff !important;
    font-family: var(--font-heading);
    font-weight: 700 !important;
    font-size: 12px !important;
    text-transform: uppercase !important;
    letter-spacing: 0.08em !important;
    border: none !important;
    border-radius: var(--radius-md) !important;
    padding: 10px 20px !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    box-shadow: 0 4px 14px var(--copper-glow) !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-copper:hover {
    background: linear-gradient(135deg, var(--copper-hover-start) 0%, var(--copper-hover-end) 100%) !important;
    box-shadow: 0 6px 20px rgba(176, 87, 51, 0.4) !important;
    transform: translateY(-1px) !important;
}

.btn-copper:active {
    transform: translateY(0) !important;
}