:root {
    /* Brand Colors */
    --color-primary: #0F5132; /* Dark Green */
    --color-secondary: #0A2540; /* Dark Blue */
    --color-background: #F3F4F6;
    --color-surface: #FFFFFF;
    
    /* Text Colors */
    --text-main: #1F2937;
    --text-muted: #6B7280;
    --text-light: #FFFFFF;

    /* Accents & Borders */
    --border-color: #E5E7EB;
    --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);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    --radius-md: 8px;
    --radius-lg: 12px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--color-background);
    color: var(--text-main);
    line-height: 1.6;
    padding: 40px 20px;
}

/* Container */
.container {
    max-width: 1000px;
    margin: 0 auto;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--text-light);
    padding: 30px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 4px solid var(--color-secondary);
}

.header h1 {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.os-number {
    font-size: 20px;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 16px;
    border-radius: 20px;
    backdrop-filter: blur(4px);
}

.btn-print {
    background-color: var(--color-surface);
    color: var(--color-primary);
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: var(--shadow-sm);
    display: inline-flex;
    align-items: center;
}

.btn-print:hover {
    background-color: #E8F5E9;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

@media print {
    .no-print {
        display: none !important;
    }
    body {
        background-color: #fff;
        padding: 0;
    }
    .container {
        box-shadow: none;
        border-radius: 0;
    }
}

/* Sections */
.section {
    padding: 30px 40px;
    border-bottom: 1px solid var(--border-color);
}

.section:last-child {
    border-bottom: none;
}

.section-title {
    font-size: 18px;
    color: var(--color-secondary);
    margin-bottom: 20px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title::before {
    content: '';
    display: block;
    width: 4px;
    height: 18px;
    background-color: var(--color-primary);
    border-radius: 2px;
}

/* Grids */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/* Info Groups */
.info-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 15px;
}

.info-group.full-width {
    grid-column: 1 / -1;
}

.info-group .label {
    font-size: 12px;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 4px;
    letter-spacing: 0.5px;
}

.info-group .value {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-main);
}

/* Status Badge */
.status-badge {
    display: inline-block;
    background-color: var(--color-primary); /* Default to green/primary */
    color: var(--text-light) !important;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 13px !important;
    font-weight: 600 !important;
    width: max-content;
}

.status-badge.status-pendente {
    background-color: #F59E0B; /* Orange */
}

.status-badge.status-cancelada {
    background-color: #EF4444; /* Red */
}

.status-badge.status-liberada {
    background-color: #10B981; /* Green */
}

/* Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

.data-table th, 
.data-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background-color: #F9FAFB;
    color: var(--color-secondary);
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table td {
    font-size: 14px;
    color: var(--text-main);
}

.data-table tbody tr:hover {
    background-color: #F9FAFB;
}

.empty-state {
    color: var(--text-muted);
    font-style: italic;
    font-size: 14px;
    padding: 10px 0;
}

/* Observation Box */
.obs-box {
    background-color: #F9FAFB;
    border-left: 4px solid var(--color-primary);
    padding: 16px 20px;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.obs-box p {
    font-size: 14px;
    color: var(--text-main);
    white-space: pre-line;
}

/* Signature Section */
.signature-section {
    display: flex;
    justify-content: flex-end;
    padding-top: 50px;
    padding-bottom: 50px;
    background-color: #F9FAFB;
}

.signature-box {
    text-align: center;
    width: 300px;
}

.signature-line {
    border-bottom: 1px solid var(--text-main);
    margin-bottom: 10px;
}

.signature-name {
    font-weight: 600;
    font-size: 15px;
    color: var(--text-main);
}

.signature-role, .signature-date {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Header Logo */
.header-left {
    display: flex;
    align-items: center;
    gap: 20px;
}
.header-logo {
    max-height: 48px;
    object-fit: contain;
    border-radius: 4px;
}

/* Error Container */
.error-container {
    padding: 60px 40px;
    text-align: center;
    max-width: 600px;
    margin: 80px auto;
}

.error-logo img {
    max-height: 60px;
    margin-bottom: 30px;
}

.error-icon-box {
    color: var(--color-primary);
    margin-bottom: 24px;
}

.error-container h1 {
    color: var(--color-primary);
    font-size: 32px;
    margin-bottom: 12px;
}

.error-container p {
    color: var(--text-main);
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 15px;
}

.error-hint {
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 400;
    margin-bottom: 30px !important;
}

.btn-back {
    display: inline-block;
    padding: 12px 28px;
    background-color: var(--color-primary);
    color: var(--text-light);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-md);
}

.btn-back:hover {
    background-color: var(--color-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* PDF Mode Settings (smaller fonts to fit more content) */
.pdf-mode {
    font-size: 12px;
}
.pdf-mode .header {
    padding: 15px 20px;
}
.pdf-mode .header h1 {
    font-size: 18px;
}
.pdf-mode .os-number {
    font-size: 15px;
    padding: 6px 12px;
}
.pdf-mode .section {
    padding: 15px 20px;
}
.pdf-mode .section-title {
    font-size: 15px;
    margin-bottom: 12px;
}
.pdf-mode .info-group {
    margin-bottom: 10px;
}
.pdf-mode .info-group .label {
    font-size: 10px;
    margin-bottom: 2px;
}
.pdf-mode .info-group .value {
    font-size: 12px;
}
.pdf-mode .data-table th,
.pdf-mode .data-table td {
    padding: 6px 10px;
    font-size: 11px;
}
.pdf-mode .obs-box {
    padding: 10px 15px;
}
.pdf-mode .obs-box p {
    font-size: 12px;
}
.pdf-mode .signature-section {
    padding-top: 20px;
    padding-bottom: 20px;
}
.pdf-mode .signature-name {
    font-size: 13px;
}
.pdf-mode .signature-role, .pdf-mode .signature-date {
    font-size: 11px;
}