/* ==========================================================================
   BROADCAST STUDIO PRO — DESIGN SYSTEM / 02. BASE (OBSIDIAN & HYPER-GLASS)
   Reset leve, tipografia de alto padrão, ambient glow e barras de rolagem fluidas.
   ========================================================================== */

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

html { 
    -webkit-text-size-adjust: 100%; 
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    font-family: var(--bsp-font-sans);
    font-size: 0.935rem;
    line-height: 1.55;
    color: var(--bsp-text);
    background-color: var(--bsp-bg-canvas);
    background-image: 
        radial-gradient(at 15% 10%, rgba(56, 189, 248, 0.08) 0px, transparent 50%),
        radial-gradient(at 85% 15%, rgba(245, 158, 11, 0.07) 0px, transparent 50%),
        radial-gradient(at 50% 60%, rgba(139, 92, 246, 0.05) 0px, transparent 60%),
        radial-gradient(at 20% 90%, rgba(16, 185, 129, 0.05) 0px, transparent 50%);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-variant-numeric: tabular-nums;
    overflow-x: hidden;
}

/* Malha de Iluminação Ambiente Cyberpunk/Broadcast */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background:
        radial-gradient(60% 40% at 50% 0%, rgba(56, 189, 248, 0.06) 0%, transparent 80%),
        radial-gradient(40% 30% at 90% 0%, rgba(245, 158, 11, 0.05) 0%, transparent 70%);
}

/* ---------------------------------------------------------------- Tipografia */

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    margin: 0 0 0.65rem;
    color: var(--bsp-text-strong);
    font-family: var(--bsp-font-display);
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: -0.02em;
}

h1, .h1 { 
    font-size: 1.85rem; 
    font-weight: 800; 
    letter-spacing: -0.03em;
}

h2, .h2 { font-size: 1.45rem; font-weight: 750; }
h3, .h3 { font-size: 1.22rem; font-weight: 700; }
h4, .h4 { font-size: 1.05rem; font-weight: 650; }
h5, .h5, h6, .h6 { font-size: 0.92rem; font-weight: 600; }

p { margin: 0 0 0.75rem; }
p:last-child { margin-bottom: 0; }

small, .small { 
    font-size: 0.82rem; 
    color: var(--bsp-text-secondary);
}

a {
    color: var(--bsp-gold);
    text-decoration: none;
    transition: var(--bsp-transition-fast);
}
a:hover { 
    color: var(--bsp-gold-bright); 
    text-shadow: 0 0 12px rgba(245, 158, 11, 0.4);
}

hr {
    border: 0;
    border-top: 1px solid var(--bsp-border);
    margin: 1.5rem 0;
    opacity: 1;
}

code, kbd, pre, samp { 
    font-family: var(--bsp-font-mono); 
    font-size: 0.86em; 
}

img { 
    max-width: 100%; 
    height: auto;
}

/* ------------------------------------------------------------------- Foco */

:focus { outline: none; }

:focus-visible {
    outline: 2px solid var(--bsp-gold);
    outline-offset: 2px;
    border-radius: var(--bsp-radius-sm);
    box-shadow: 0 0 12px rgba(245, 158, 11, 0.45);
}

/* --------------------------------------------------------------- Seleção */

::selection {
    background: rgba(245, 158, 11, 0.35);
    color: #FFFFFF;
}

/* ------------------------------------------------------- Barras de Rolagem */

* {
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.14);
    border-radius: 9999px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: background 0.2s;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(245, 158, 11, 0.45);
    box-shadow: 0 0 8px rgba(245, 158, 11, 0.4);
}