*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores */
    --primary: #6C63FF;
    --primary-dark: #5A52D5;
    --success: #2ECC71;
    --danger: #E74C3C;
    --warning: #F39C12;
    --bg: #0F0F1A;
    --bg-card: #1A1A2E;
    --bg-sidebar: #16162A;
    --border: #2A2A45;
    --text: #E0E0F0;
    --text-muted: #8888AA;

    /* Tamanhos */
    --sidebar-width: 260px;
    --header-height: 64px;
    --bottom-nav-height: 64px;
    --radius: 12px;
    --radius-sm: 8px;

    /* Sombras */
    --shadow: 0 4px 24px rgba(0,0,0,0.3);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
}

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

body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
}

a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; outline: none; font-family: inherit; }
input, textarea, select { font-family: inherit; outline: none; border: none; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }