:root {
    --primary: #2e7d32; /* Green from UFRB */
    --primary-dark: #1b5e20;
    --accent: #fbc02d; /* Gold/Yellow from UFRB */
    --bg-light: #f5f5f5;
    --bg-dark: #212121;
    --text-primary: #333;
    --text-secondary: #666;
    --white: #ffffff;
    --danger: #d32f2f;
    --success: #388e3c;
    --shadow: 0 4px 6px rgba(0,0,0,0.1);
    --radius: 12px;
}

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

body {
    background-color: var(--bg-light);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.card {
    background-color: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    width: 100%;
}

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.login-card {
    max-width: 400px;
}

.header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 0.75rem 0;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-text span {
    font-weight: 400;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    padding: 0.6rem 1rem;
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 8px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-links a:hover {
    background-color: #f0f7f0;
    color: var(--primary);
}

.nav-links a.active {
    background-color: var(--primary);
    color: var(--white);
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    text-decoration: none;
}

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

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

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

.form-group {
    margin-bottom: 1.5rem;
}

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

.form-control {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 2px solid #eee;
    border-radius: var(--radius);
    outline: none;
    transition: border-color 0.3s;
}

.form-control:focus {
    border-color: var(--primary);
}

.badge {
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.badge-active {
    background-color: #e8f5e9;
    color: var(--success);
}

/* Sales Table Styles */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
}

.table th, .table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.table th {
    background-color: #fafafa;
    color: var(--text-secondary);
}

.venda-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.input-giant {
    font-size: 2rem !important;
    text-align: center;
    letter-spacing: 2px;
}

.meal-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.meal-btn {
    flex: 1;
    padding: 2rem 1rem;
    font-size: 1.2rem;
    text-align: center;
    border: 2px solid #eee;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.3s;
    background: var(--white);
}

.meal-btn:hover {
    border-color: var(--primary);
    background-color: #f1f8e9;
}

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

.status-box {
    padding: 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    text-align: center;
    font-weight: 600;
}

.status-ready { background-color: #e8f5e9; color: var(--success); }
.status-error { background-color: #ffebee; color: var(--danger); }

/* Modality Badges */
.badge-total { background-color: var(--success) !important; color: white !important; }
.badge-parcial { background-color: #f57c00 !important; color: white !important; }
.badge-default { background-color: var(--text-secondary) !important; color: white !important; }

.btn-change {
    font-size: 0.8rem;
    padding: 0.3rem 0.6rem;
    background: #f0f7f0;
    color: var(--primary);
    text-decoration: none;
    border-radius: 6px;
    margin-left: 1rem;
    vertical-align: middle;
    text-transform: none;
    border: 1px solid rgba(46, 125, 50, 0.3);
    font-weight: 500;
    transition: all 0.2s;
}

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

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    border-top: 1px solid #eee;
    margin-top: 3rem;
}

footer span {
    font-weight: 600;
    color: var(--primary);
}