:root {
    --primary-color: #2c3e50;
    --secondary-color: #7f8c8d;
    --accent-color: #16a085;
    --light-color: #ecf0f1;
    --text-color: #34495e;
}

/* ===== BASE ===== */
body {
    background: linear-gradient(135deg, #f9f9f9 0%, #eef2f5 100%);
    min-height: 100vh;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* ===== CARDS ===== */
.login-card,
.card {
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.login-card:hover,
.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 35px rgba(0, 0, 0, 0.12);
}

/* ===== LOADER ===== */
.loader {
    border-top-color: var(--accent-color);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===== BOTÕES ===== */
.btn-primary {
    background-color: var(--primary-color);
    transition: all 0.3s;
}

.btn-primary:hover {
    background-color: #1a2530;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* ===== INPUTS ===== */
.input-field {
    transition: all 0.3s;
    border: 1px solid #dce4ec;
}

.input-field:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(22, 160, 133, 0.15);
}

/* ===== TEXTOS ===== */
.text-primary {
    color: var(--text-color);
}

/* ===== LAYOUT EXTRA ===== */
.header-bg {
    background-color: var(--primary-color);
}

.footer-bg {
    background-color: #f8f9fa;
    border-top: 1px solid #eaecef;
}

.logo-container {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 8px;
}

.bloqueado {
    opacity: 0.6;
    pointer-events: none;
}