@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500&family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    --bg-main: #F3F4F6;
    --bg-card: rgba(255, 255, 255, 0.85);
    --bg-card-hover: rgba(255, 255, 255, 0.95);
    --border-color: rgba(0, 0, 0, 0.08);
    --border-glow: rgba(72, 128, 255, 0.3);
    
    --primary: #2563EB;
    --primary-glow: rgba(37, 99, 235, 0.15);
    --success: #059669;
    --success-glow: rgba(5, 150, 105, 0.15);
    --warning: #D97706;
    --danger: #DC2626;
    
    --text-main: #1F2937;
    --text-muted: #6B7280;
    --text-glow: #111827;
    
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: 'Outfit', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
    background-image: 
        radial-gradient(at 0% 0%, rgba(37, 99, 235, 0.05) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(5, 150, 105, 0.03) 0px, transparent 50%);
}

/* Custom scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.20);
}

header {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-badge {
    background: linear-gradient(135deg, var(--primary), var(--success));
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    color: white;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

header h1 {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: #111827;
}

.system-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 0, 0, 0.03);
    border: 1px solid var(--border-color);
    padding: 0.4rem 0.8rem;
    border-radius: 2rem;
    font-size: 0.85rem;
    color: #374151;
}

.status-indicator {
    width: 8px;
    height: 8px;
    background-color: var(--success);
    border-radius: 50%;
    box-shadow: 0 0 6px var(--success);
    position: relative;
}

.status-indicator.pulse::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    width: 12px;
    height: 12px;
    border: 1px solid var(--success);
    border-radius: 50%;
    animation: statusPulse 1.8s infinite;
}

@keyframes statusPulse {
    0% { transform: scale(0.8); opacity: 0.8; }
    100% { transform: scale(2); opacity: 0; }
}

/* DTE Selector Navigation Bar */
.dte-selector-bar {
    background: rgba(255, 255, 255, 0.6);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 2rem;
    display: flex;
    gap: 0.75rem;
    overflow-x: auto;
}

.dte-select-btn {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.dte-select-btn:hover {
    background: #FFFFFF;
    color: var(--text-main);
    border-color: rgba(0,0,0,0.15);
}

.dte-select-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.dte-select-btn .dte-code {
    background: rgba(0, 0, 0, 0.05);
    padding: 0.1rem 0.35rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-family: monospace;
    color: var(--text-muted);
}

.dte-select-btn.active .dte-code {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

main {
    padding: 2rem;
    max-width: 1600px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 2rem;
}

@media (max-width: 1100px) {
    main {
        grid-template-columns: 1fr;
    }
}

.panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    backdrop-filter: blur(16px);
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    transition: var(--transition);
}

.panel:hover {
    border-color: rgba(37, 99, 235, 0.25);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.04);
}

.panel-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #111827;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
}

.panel-title span.title-text {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.panel-title span.title-text span.icon {
    color: var(--primary);
}

/* Forms styling */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    transition: var(--transition);
}

.form-group.full-width {
    grid-column: span 2;
}

label {
    font-size: 0.85rem;
    color: #4B5563;
    font-weight: 500;
}

input, select {
    background: #FFFFFF;
    border: 1px solid #D1D5DB;
    border-radius: 0.5rem;
    padding: 0.65rem 0.75rem;
    color: #1F2937;
    font-family: inherit;
    font-size: 0.9rem;
    transition: var(--transition);
    outline: none;
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.03);
}

input:focus, select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* Dynamic field rendering */
.conditional-field {
    display: none;
}

.conditional-field.visible {
    display: flex;
}

/* Dynamic Items Table */
.items-container {
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.02);
}

.items-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.items-table th {
    background: rgba(0, 0, 0, 0.03);
    text-align: left;
    padding: 0.75rem;
    font-weight: 600;
    color: #4B5563;
    border-bottom: 1px solid var(--border-color);
}

.items-table td {
    padding: 0.75rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    vertical-align: middle;
    color: #374151;
}

.items-table tr:last-child td {
    border-bottom: none;
}

.btn-remove {
    background: transparent;
    border: none;
    color: var(--danger);
    cursor: pointer;
    opacity: 0.7;
    transition: var(--transition);
}

.btn-remove:hover {
    opacity: 1;
    transform: scale(1.15);
}

.add-item-form {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr auto;
    gap: 0.5rem;
    padding: 0.75rem;
    background: rgba(0, 0, 0, 0.01);
    border-top: 1px solid var(--border-color);
    align-items: end;
}

/* Buttons */
.btn {
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 0.5rem;
    padding: 0.65rem 1rem;
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.1);
}

.btn:hover {
    background: #1D4ED8;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.btn-success {
    background: var(--success);
    box-shadow: 0 2px 4px rgba(5, 150, 105, 0.1);
}

.btn-success:hover {
    background: #047857;
    box-shadow: 0 4px 12px rgba(5, 150, 105, 0.25);
}

.btn-secondary {
    background: #FFFFFF;
    border: 1px solid #D1D5DB;
    color: #374151;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.btn-secondary:hover {
    background: #F9FAFB;
    border-color: #9CA3AF;
}

.actions-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

/* Control flow wizard status */
.wizard-status {
    display: flex;
    justify-content: space-between;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 0.75rem;
    padding: 1rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.step-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    flex: 1;
    position: relative;
    opacity: 0.4;
    transition: var(--transition);
    color: #4B5563;
}

.step-indicator.active {
    opacity: 1;
    color: var(--primary);
}

.step-indicator.done {
    opacity: 1;
    color: var(--success);
}

.step-dot {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid currentColor;
    background: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    transition: var(--transition);
}

.step-indicator.done .step-dot {
    background: var(--success);
    color: white;
}

.step-indicator.active .step-dot {
    box-shadow: 0 0 8px rgba(37, 99, 235, 0.2);
    background: var(--primary);
    color: white;
}

.step-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Right Panel: View Tabs */
.tabs-header {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    gap: 0.5rem;
}

.tab-btn {
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    padding: 0.75rem 1.25rem;
    color: var(--text-muted);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn:hover {
    color: var(--text-main);
}

.tab-btn.active {
    color: var(--primary);
    border-color: var(--primary);
}

.tab-content {
    display: none;
    flex: 1;
}

.tab-content.active {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Code Viewer - Keep Dark for contrast and elite look */
.code-wrapper {
    background: #0B0F19;
    border: 1px solid rgba(0,0,0,0.15);
    border-radius: 0.75rem;
    padding: 1rem;
    position: relative;
    overflow: auto;
    max-height: 520px;
    font-family: 'Fira Code', monospace;
    font-size: 0.85rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.code-wrapper pre {
    margin: 0;
    white-space: pre-wrap;
    word-break: break-all;
}

.syntax-key { color: #818CF8; }
.syntax-string { color: #34D399; }
.syntax-number { color: #F59E0B; }
.syntax-boolean { color: #FB7185; }
.syntax-null { color: #9CA3AF; }

.btn-copy {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 0.35rem;
    padding: 0.3rem 0.5rem;
    font-size: 0.75rem;
    color: #E5E7EB;
    cursor: pointer;
    transition: var(--transition);
}

.btn-copy:hover {
    background: rgba(255, 255, 255, 0.15);
    color: white;
}

/* Terminal Console Log - Keep dark terminal contrast */
.terminal-wrapper {
    background: #02040A;
    border: 1px solid rgba(5, 150, 105, 0.3);
    border-radius: 0.75rem;
    padding: 1rem;
    font-family: 'Fira Code', monospace;
    font-size: 0.8rem;
    color: #10B981;
    min-height: 350px;
    max-height: 520px;
    overflow-y: auto;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08), inset 0 0 10px rgba(16, 185, 129, 0.05);
}

.terminal-line {
    margin-bottom: 0.4rem;
    line-height: 1.4;
    display: flex;
    gap: 0.5rem;
}

.terminal-time {
    color: #047857;
    user-select: none;
}

.terminal-success { color: #34D399; }
.terminal-info { color: #60A5FA; }
.terminal-warn { color: #FBBF24; }
.terminal-error { color: #F87171; }

/* Factura Printable View / PDF simulation */
.invoice-preview {
    background: white;
    color: #1F2937;
    border-radius: 0.75rem;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
    min-height: 650px;
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    position: relative;
    border: 1px solid #E5E7EB;
}

.invoice-header {
    display: grid;
    grid-template-columns: 2fr 1fr;
    border-bottom: 2px solid #E5E7EB;
    padding-bottom: 1.25rem;
}

.invoice-logo-title h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 0.25rem;
}

.invoice-logo-title p {
    color: #4B5563;
    line-height: 1.3;
}

.invoice-meta-box {
    border: 2px solid #2563EB;
    border-radius: 0.5rem;
    padding: 0.75rem;
    text-align: center;
    background: #EFF6FF;
}

.invoice-meta-box h3 {
    font-size: 0.9rem;
    font-weight: 700;
    color: #1E3A8A;
    margin-bottom: 0.25rem;
}

.invoice-meta-box .dte-number {
    font-size: 0.8rem;
    font-family: monospace;
    font-weight: 600;
}

.invoice-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    background: #F9FAFB;
    padding: 1rem;
    border-radius: 0.5rem;
    border: 1px solid #F3F4F6;
}

.invoice-party-title {
    font-size: 0.8rem;
    font-weight: 700;
    color: #374151;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.35rem;
    border-bottom: 1px solid #E5E7EB;
    padding-bottom: 0.2rem;
}

.invoice-party-info p {
    margin-bottom: 0.2rem;
    color: #4B5563;
}

.invoice-party-info strong {
    color: #111827;
}

.invoice-items-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

.invoice-items-table th {
    background: #F3F4F6;
    padding: 0.5rem 0.75rem;
    font-weight: 700;
    color: #374151;
    text-align: left;
    border-bottom: 2px solid #E5E7EB;
}

.invoice-items-table td {
    padding: 0.65rem 0.75rem;
    border-bottom: 1px solid #E5E7EB;
    color: #4B5563;
}

.invoice-summary-section {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 2rem;
    align-items: start;
}

.qr-code-box {
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 1px dashed #D1D5DB;
    padding: 0.75rem;
    border-radius: 0.5rem;
}

.qr-placeholder {
    width: 90px;
    height: 90px;
    background: #E5E7EB;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.25rem;
    font-size: 2rem;
    color: #9CA3AF;
    box-shadow: inset 0 0 5px rgba(0,0,0,0.05);
}

.qr-info {
    font-size: 0.75rem;
    color: #6B7280;
    line-height: 1.4;
}

.invoice-totals {
    width: 100%;
}

.invoice-totals-row {
    display: flex;
    justify-content: space-between;
    padding: 0.4rem 0;
    border-bottom: 1px solid #F3F4F6;
    color: #4B5563;
}

.invoice-totals-row.final-total {
    border-top: 2px solid #E5E7EB;
    border-bottom: none;
    font-weight: 700;
    font-size: 1rem;
    color: #111827;
    padding: 0.75rem 0;
}

.watermark-unauthorized {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-35deg);
    font-size: 4rem;
    font-weight: 900;
    color: rgba(220, 38, 38, 0.08);
    pointer-events: none;
    letter-spacing: 5px;
    text-transform: uppercase;
    user-select: none;
    border: 8px double rgba(220, 38, 38, 0.08);
    padding: 1rem 2rem;
    border-radius: 1rem;
    white-space: nowrap;
}

.watermark-authorized {
    position: absolute;
    top: 5%;
    right: 5%;
    background: #D1FAE5;
    color: #065F46;
    border: 2px solid #059669;
    font-size: 0.75rem;
    font-weight: 800;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    transform: rotate(5deg);
    box-shadow: 0 2px 10px rgba(5, 150, 105, 0.1);
    letter-spacing: 0.5px;
}