/* Variables e Reset */
:root {
    --bg-primary: #0f172a;
    --bg-card: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    
    /* Cores dos Módulos */
    --color-estudo: #6366f1;   /* Índigo / Roxo */
    --color-rotinas: #10b981;  /* Verde Esmeralda */
    --color-financas: #f59e0b; /* Amarelo / Dourado */
    
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* Header */
header {
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--color-estudo);
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 60px 0 40px;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    font-weight: 800;
}

.hero p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Grid de Módulos */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin: 40px 0 80px;
}

.card {
    background-color: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.15);
}

.card-badge {
    align-self: flex-start;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.card h2 {
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 25px;
}

.btn {
    display: inline-block;
    padding: 12px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    transition: var(--transition);
}

/* Estilos Específicos dos Módulos */
/* Estudo */
.card.estudo { border-top: 4px solid var(--color-estudo); }
.card.estudo .card-badge { background: rgba(99, 102, 241, 0.15); color: var(--color-estudo); }
.card.estudo .btn { background: var(--color-estudo); color: #fff; }
.card.estudo .btn:hover { filter: brightness(1.1); }

/* Rotinas */
.card.rotinas { border-top: 4px solid var(--color-rotinas); }
.card.rotinas .card-badge { background: rgba(16, 185, 129, 0.15); color: var(--color-rotinas); }

/* Finanças */
.card.financas { border-top: 4px solid var(--color-financas); }
.card.financas .card-badge { background: rgba(245, 158, 11, 0.15); color: var(--color-financas); }

/* Módulos Desabilitados/Em Breve */
.card.disabled {
    opacity: 0.7;
}

.btn-disabled {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    cursor: not-allowed;
}

/* Footer */
footer {
    margin-top: auto;
    padding: 30px 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    font-size: 0.85rem;
}