:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary: #10b981;
    --accent: #f59e0b;
    --danger: #ef4444;
    --dark: #1f2937;
    --gray: #6b7280;
    --light: #f3f4f6;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --radius: 0.5rem;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--light);
    color: var(--dark);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    width: 100%;
    padding: 0 1rem;
    margin: 0 auto;
}

@media (min-width: 640px) { .container { max-width: 640px; } }
@media (min-width: 768px) { .container { max-width: 768px; } }
@media (min-width: 1024px) { .container { max-width: 1024px; } }
@media (min-width: 1280px) { .container { max-width: 1280px; } }

/* Navbar */
.navbar {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary);
}

.brand-logo img {
    height: 40px;
    width: auto;
}

.navbar-menu {
    display: none;
    gap: 1.5rem;
    align-items: center;
}

.navbar-menu.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: var(--white);
    padding: 1rem;
    box-shadow: var(--shadow-md);
    z-index: 50;
}

.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--dark);
    border-radius: 2px;
}

.nav-link {
    font-weight: 500;
    color: var(--gray);
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--primary);
}

.btn-logout {
    color: var(--danger);
}

@media (min-width: 768px) {
    .mobile-menu-toggle { display: none; }
    .navbar-menu { display: flex; position: static; flex-direction: row; padding: 0; box-shadow: none; background: transparent; }
    .navbar-menu.active { display: flex; position: static; width: auto; box-shadow: none; }
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 2rem 0;
}

/* Forms */
.form-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    max-width: 500px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: var(--radius);
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
}

.btn-block {
    display: block;
    width: 100%;
}

/* Cards & Grid */
.grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: 1fr;
}

@media (min-width: 768px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid { grid-template-columns: repeat(3, 1fr); } }

.card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-alta { background: #fee2e2; color: #991b1b; }
.badge-media { background: #fef3c7; color: #92400e; }
.badge-baixa { background: #d1fae5; color: #065f46; }

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 0.5rem;
    background-color: #e5e7eb;
    border-radius: 9999px;
    margin: 1rem 0;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--secondary), var(--primary));
    width: 0%;
}

/* Footer */
.footer {
    background-color: var(--white);
    padding: 2rem 0;
    text-align: center;
    margin-top: auto;
    border-top: 1px solid #e5e7eb;
}