/* public/global.css */
:root {
    --bg-color: #0f0f0f;         /* Fundo quase preto */
    --surface-color: #1a1a1a;    /* Cinza escuro para cards */
    --border-color: #333333;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --accent-color: #ffffff;     /* Preto e Branco foco */
    --danger-color: #ef4444;
    --success-color: #10b981;
    --radius: 8px;
    --font-stack: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-stack);
    font-size: 16px;
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Utilitários */
.container { max-width: 1200px; margin: 0 auto; padding: 20px; width: 100%; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.hidden { display: none !important; }
.text-secondary { color: var(--text-secondary); }

/* Header unificado */
header {
    background-color: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    margin-bottom: 2rem;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand { font-weight: 700; font-size: 1.1rem; text-decoration: none; color: white; }
.user-area { display: flex; align-items: center; gap: 15px; font-size: 0.9rem; }

/* Botões */
.btn {
    padding: 10px 16px;
    border-radius: var(--radius);
    border: 1px solid transparent;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.btn-primary { background-color: var(--text-primary); color: var(--bg-color); }
.btn-primary:hover { opacity: 0.9; }

.btn-outline { 
    background-color: transparent; 
    border-color: var(--border-color); 
    color: var(--text-secondary); 
}
.btn-outline:hover { border-color: var(--text-primary); color: var(--text-primary); }

/* Inputs */
input {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    color: white;
    padding: 12px;
    border-radius: var(--radius);
    width: 100%;
    margin-bottom: 1rem;
    font-size: 1rem;
}
input:focus { outline: 2px solid var(--text-secondary); border-color: transparent; }

/* Cards Grid */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px;
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s, border-color 0.2s;
    display: flex;
    flex-direction: column;
}

.card:hover { transform: translateY(-2px); border-color: #555; }
.card-icon { font-size: 1.8rem; margin-bottom: 10px; }
.card-title { font-weight: 600; margin-bottom: 5px; }
.card-desc { font-size: 0.85rem; color: var(--text-secondary); }