:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-terminal: #0b0f19;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --color-accent: #06b6d4;
    --color-accent-hover: #0891b2;
    --color-success: #10b981;
    --color-success-hover: #059669;
    --color-error: #f43f5e;
    --color-warning: #f59e0b;
    
    --terminal-width: 380px;
    --terminal-height: 720px;
    
    --font-sans: 'Inter', -apple-system, sans-serif;
    --font-heading: 'Outfit', sans-serif;
    --font-mono: 'Fira Code', monospace;
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    height: 100vh;
    overflow: hidden;
}

.app-container {
    display: flex;
    width: 100%;
    height: 100vh;
}

/* --- COLUMN 1: VISUAL TERMINAL --- */
.column-terminal {
    flex: 0 0 45%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at center, #1e293b 0%, #0f172a 100%);
    border-right: 1px solid #334155;
    padding: 20px;
}

.terminal-wrapper {
    perspective: 1000px;
}

.terminal-body {
    width: var(--terminal-width);
    height: var(--terminal-height);
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border-radius: 40px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5),
                0 0 0 10px #334155,
                0 0 40px rgba(6, 182, 212, 0.15);
    display: flex;
    flex-direction: column;
    padding: 15px;
    position: relative;
    border: 1px solid #475569;
}

/* Terminal Bezel Elements */
.terminal-header-bezel {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 35px;
    position: relative;
}

.camera-lens {
    width: 10px;
    height: 10px;
    background: #000;
    border: 2px solid #475569;
    border-radius: 50%;
    margin-right: 15px;
    box-shadow: inset 0 1px 3px rgba(6, 182, 212, 0.4);
}

.speaker-grill {
    width: 60px;
    height: 4px;
    background: #334155;
    border-radius: 2px;
}

.terminal-footer-bezel {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 55px;
}

.home-button {
    width: 40px;
    height: 40px;
    background: radial-gradient(circle at center, #334155 0%, #1e293b 100%);
    border: 2px solid #475569;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(0,0,0,0.2);
    transition: transform 0.1s, box-shadow 0.1s;
}

.home-button:active {
    transform: scale(0.95);
    box-shadow: 0 2px 3px rgba(0,0,0,0.3);
}

/* Terminal Screen */
.terminal-screen {
    flex: 1;
    background-color: var(--bg-terminal);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid #1e293b;
    position: relative;
    display: flex;
    flex-direction: column;
    box-shadow: inset 0 4px 10px rgba(0,0,0,0.9);
}

/* Screens Common */
.screen-view {
    display: none;
    flex-direction: column;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    padding: 15px;
    animation: fadeIn 0.25s ease-out forwards;
}

.screen-view.active {
    display: flex;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.98); }
    to { opacity: 1; transform: scale(1); }
}

/* Status Bar */
.status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 10px;
    font-family: var(--font-heading);
}

.screen-header {
    border-bottom: 1px solid #1e293b;
    padding-bottom: 10px;
    margin-bottom: 15px;
}

.screen-header h2 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-back {
    background: #1e293b;
    border: 1px solid #334155;
    color: var(--text-primary);
    width: 32px;
    height: 32px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s;
}

.btn-back:hover {
    background: #334155;
}

.screen-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    gap: 12px;
}

.screen-content.flex-column {
    display: flex;
    flex-direction: column;
    height: calc(100% - 60px);
}

/* Form Groups & Inputs */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group input {
    background: #1e293b;
    border: 1px solid #334155;
    color: var(--text-primary);
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 14px;
    font-family: var(--font-sans);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus {
    border-color: var(--color-accent);
    outline: none;
    box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.25);
}

/* Buttons */
.btn {
    border: none;
    padding: 12px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    font-family: var(--font-heading);
    width: 100%;
    text-align: center;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background-color: var(--color-accent);
    color: #0b0f19;
}

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

.btn-success {
    background-color: var(--color-success);
    color: #0b0f19;
}

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

.btn-success:disabled {
    background-color: #064e3b;
    color: #4b5563;
    cursor: not-allowed;
}

/* Orders List Screen */
.search-bar {
    display: flex;
    gap: 6px;
    background: #131924;
    padding: 6px;
    border-radius: 10px;
    border: 1px solid #1e293b;
}

.search-bar input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 13px;
    padding: 4px 8px;
}

#searchNumber {
    flex: 0 0 75px;
    width: 75px;
    border-right: 1px solid #1e293b;
    padding-right: 8px;
}

#searchName {
    padding-left: 8px;
}

.search-bar input:focus {
    outline: none;
}

.btn-icon {
    background: var(--color-accent);
    border: none;
    color: #0b0f19;
    border-radius: 8px;
    padding: 8px 12px;
    cursor: pointer;
}

.btn-today-toggle {
    background: #1e293b;
    border: 1px solid #334155;
    color: var(--text-secondary);
    border-radius: 8px;
    padding: 6px 10px;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
}

.btn-today-toggle:hover {
    border-color: var(--color-accent);
    color: var(--text-primary);
}

.btn-today-toggle.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #0b0f19;
}

.orders-list-container {
    flex: 1;
    overflow-y: auto;
    margin-top: 5px;
}

.list-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-secondary);
    text-align: center;
    font-size: 13px;
    padding: 20px;
    border: 1px dashed #334155;
    border-radius: 12px;
}

.orders-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.order-card {
    background: #161f30;
    border: 1px solid #273549;
    border-radius: 12px;
    padding: 12px;
    cursor: pointer;
    transition: transform 0.2s, border-color 0.2s;
}

.order-card:hover {
    transform: translateY(-2px);
    border-color: var(--color-accent);
}

.order-card-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 6px;
}

.order-card-header .number {
    font-weight: 600;
    font-size: 14px;
    color: var(--color-accent);
}

.order-card-header .sum {
    font-weight: 700;
    font-size: 14px;
}

.order-card-footer {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--text-secondary);
}

/* Order Details Screen */
.customer-info {
    font-size: 13px;
    background: #111827;
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid #1f2937;
    margin-bottom: 5px;
}

.items-list-container {
    flex: 1;
    overflow-y: auto;
    border: 1px solid #1e293b;
    border-radius: 12px;
    background: #090d16;
}

.items-list {
    display: flex;
    flex-direction: column;
}

.item-row {
    display: flex;
    align-items: center;
    padding: 10px;
    border-bottom: 1px solid #1e293b;
    gap: 10px;
}

.item-info {
    flex: 1;
}

.item-name {
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 4px;
    word-break: break-word;
}

.item-price-desc {
    font-size: 11px;
    color: var(--text-secondary);
}

.item-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.item-qty-selector {
    display: flex;
    align-items: center;
    background: #1e293b;
    border-radius: 6px;
    border: 1px solid #334155;
    overflow: hidden;
}

.qty-btn {
    background: transparent;
    border: none;
    color: var(--text-primary);
    width: 24px;
    height: 24px;
    font-size: 14px;
    cursor: pointer;
}

.qty-btn:hover {
    background: #334155;
}

.qty-value {
    font-size: 12px;
    font-weight: 600;
    width: 30px;
    text-align: center;
}

.item-cancel-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
}

.item-cancel-toggle input[type="checkbox"] {
    display: none;
}

.cancel-label {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    border: 1.5px solid var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s;
    font-size: 11px;
    font-weight: bold;
    color: transparent;
}

.item-cancel-toggle input[type="checkbox"]:checked + .cancel-label {
    border-color: var(--color-error);
    background: var(--color-error);
    color: #fff;
}

/* Crossed name for cancelled items */
.item-row.cancelled .item-name {
    text-decoration: line-through;
    color: var(--text-secondary);
}

.item-row.cancelled .item-qty-selector {
    opacity: 0.4;
    pointer-events: none;
}

.order-summary {
    background: #111827;
    border-radius: 12px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-secondary);
}

.summary-row.highlight {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    border-top: 1px solid #1e293b;
    padding-top: 6px;
    margin-top: 4px;
}

/* Payment Screen */
.payment-summary {
    background: #161f30;
    border: 1px solid #273549;
    border-radius: 12px;
    padding: 15px;
    text-align: center;
    margin-bottom: 10px;
}

.payment-sum-label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.payment-sum-value {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-accent);
}

.payment-methods {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 15px;
}

.payment-method-btn {
    background: #161f30;
    border: 1px solid #273549;
    color: var(--text-secondary);
    border-radius: 10px;
    padding: 10px 4px;
    cursor: pointer;
    font-size: 11px;
    font-weight: 600;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
}

.payment-method-btn .icon {
    font-size: 20px;
}

.payment-method-btn:hover {
    border-color: var(--color-accent);
    color: var(--text-primary);
}

.payment-method-btn.active {
    background: rgba(6, 182, 212, 0.1);
    border-color: var(--color-accent);
    color: var(--text-primary);
}

.payment-inputs {
    background: #090d16;
    border-radius: 12px;
    padding: 12px;
    border: 1px solid #1e293b;
    margin-bottom: 15px;
}

.payment-status-calc {
    background: #111827;
    border-radius: 12px;
    padding: 12px;
    margin-bottom: 15px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.calc-row {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-secondary);
}

.calc-row span:last-child {
    font-weight: 600;
    color: var(--text-primary);
}

#calcRemainingRow span:last-child {
    color: var(--color-warning);
}

#calcChangeRow span:last-child {
    color: var(--color-success);
}

/* Success Screen */
.success-screen {
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 20px;
}

.success-icon {
    width: 60px;
    height: 60px;
    background: rgba(16, 185, 129, 0.15);
    border: 2px solid var(--color-success);
    color: var(--color-success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin-bottom: 15px;
}

.success-screen h3 {
    font-family: var(--font-heading);
    font-size: 18px;
    margin-bottom: 8px;
}

.success-screen p {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.receipt-payload-summary {
    background: #111827;
    border: 1px solid #1e293b;
    border-radius: 12px;
    padding: 12px;
    width: 100%;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 12px;
    margin-bottom: 25px;
}

.receipt-payload-summary span {
    font-family: var(--font-mono);
    color: var(--color-accent);
}

/* --- COLUMN 2: API INSPECTOR --- */
.column-inspector {
    flex: 1;
    background-color: var(--bg-primary);
    padding: 25px;
    display: flex;
}

.inspector-card {
    background: #111827;
    border: 1px solid #1e293b;
    border-radius: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.inspector-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid #1e293b;
    background: #161f30;
}

.inspector-header h2 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 600;
}

.btn-clear {
    background: transparent;
    border: 1px solid #ef4444;
    color: #ef4444;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-clear:hover {
    background: rgba(239, 68, 68, 0.1);
}

.inspector-layout {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.logs-sidebar {
    width: 250px;
    border-right: 1px solid #1e293b;
    overflow-y: auto;
    background: #0b0f19;
}

.logs-list {
    display: flex;
    flex-direction: column;
}

.log-item {
    padding: 12px 15px;
    border-bottom: 1px solid #1e293b;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 4px;
    transition: background-color 0.2s;
}

.log-item:hover {
    background: #111827;
}

.log-item.active {
    background: #1e293b;
    border-left: 3px solid var(--color-accent);
}

.log-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.log-badge {
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
}

.log-badge.get { background: #0284c7; color: #fff; }
.log-badge.post { background: #15803d; color: #fff; }

.log-status {
    font-size: 10px;
    font-weight: 700;
    padding: 2px 4px;
    border-radius: 4px;
}

.log-status.status-200 { background: rgba(16, 185, 129, 0.1); color: var(--color-success); }
.log-status.status-error { background: rgba(244, 63, 94, 0.1); color: var(--color-error); }

.log-url {
    font-size: 12px;
    font-family: var(--font-mono);
    word-break: break-all;
}

.log-time {
    font-size: 10px;
    color: var(--text-secondary);
}

.log-details-view {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.empty-details {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-secondary);
    font-size: 14px;
    text-align: center;
    padding: 40px;
}

.details-content {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.details-section {
    padding: 15px 20px;
    border-bottom: 1px solid #1e293b;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.req-method-url-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.req-method-url-container .badge {
    font-family: var(--font-heading);
    font-size: 12px;
    font-weight: 700;
    background: var(--color-accent);
    color: #0b0f19;
    padding: 3px 8px;
    border-radius: 4px;
}

.req-method-url-container .url-text {
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 500;
}

.time-status-container {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
}

.status-code {
    font-size: 13px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
}

.status-code.success { background: rgba(16, 185, 129, 0.15); color: var(--color-success); }
.status-code.error { background: rgba(244, 63, 94, 0.15); color: var(--color-error); }

.time-badge {
    font-size: 11px;
    color: var(--text-secondary);
}

/* Tabs */
.details-tabs {
    display: flex;
    background: #111827;
    border-bottom: 1px solid #1e293b;
}

.tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 12px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s;
    border-bottom: 2px solid transparent;
}

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

.tab-btn.active {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
    background: rgba(30, 41, 59, 0.5);
}

.tab-contents {
    flex: 1;
    overflow-y: auto;
    background: #090d16;
}

.tab-content {
    display: none;
    padding: 15px;
    height: 100%;
}

.tab-content.active {
    display: block;
}

.tab-content pre {
    margin: 0;
    height: 100%;
}

.tab-content code {
    font-family: var(--font-mono);
    font-size: 12px;
    color: #e2e8f0;
    white-space: pre-wrap;
    word-break: break-all;
}