:root {
    /* Light theme (default) */
    --bg-primary: #f3f4f6;
    --bg-secondary: white;
    --bg-terminal: #111827;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-terminal: #10b981;
    --border-color: #e5e7eb;
    --input-bg: white;
    --card-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --logging-bg: #f9fafb;
    --logging-header-bg: #f3f4f6;
    --logging-hover-bg: #f3f4f6;
}

[data-theme="dark"] {
    /* Dark theme overrides */
    --bg-primary: #111827;
    --bg-secondary: #1f2937;
    --bg-terminal: #0f172a;
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --text-terminal: #22d3ee;
    --border-color: #374151;
    --input-bg: #374151;
    --card-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    --logging-bg: #1f2937;
    --logging-header-bg: #374151;
    --logging-hover-bg: #374151;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-primary);
    display: flex;
    justify-content: center;
    padding-top: 50px;
    margin: 0;
    transition: background-color 0.3s ease;
}

.terminal-card {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    width: 100%;
    max-width: 400px;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

header { text-align: center; margin-bottom: 2rem; }
h1 { margin: 0; color: var(--text-primary); font-size: 1.5rem; }
p { margin: 5px 0 0; color: var(--text-secondary); font-size: 0.875rem; font-style: italic; }

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

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

.field-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.field-group select,
.field-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    color: var(--text-primary);
    background-color: var(--input-bg);
    box-sizing: border-box;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.field-group select:focus,
.field-group input:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.currency-input {
    position: relative;
    display: flex;
    align-items: center;
}

.currency-symbol {
    position: absolute;
    left: 0.75rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.currency-input input {
    padding-left: 1.75rem;
}

.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

button {
    border: none;
    border-radius: 8px;
    color: white;
    font-weight: bold;
    padding: 20px 10px;
    cursor: pointer;
    transition: opacity 0.2s;
}

button:hover { opacity: 0.9; }

.btn-sale { background-color: #059669; }
.btn-drawer { background-color: #2563eb; }
.btn-refund { background-color: #f59e0b; }
.btn-void { background-color: #dc2626; }

.status-area {
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

.status-label {
    font-size: 0.75rem;
    font-weight: bold;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: 8px;
}

#statusBox {
    background-color: var(--bg-terminal);
    color: var(--text-terminal);
    padding: 15px;
    border-radius: 6px;
    font-family: monospace;
    font-size: 0.75rem;
    height: 120px;
    overflow-y: auto;
    line-height: 1.4;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Logging Panel Styles */
.logging-panel-container {
    margin-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

.logging-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--logging-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.625rem 1rem;
    width: 100%;
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.logging-toggle:hover {
    background: var(--logging-hover-bg);
    border-color: var(--border-color);
}

.logging-toggle-icon {
    font-size: 0.625rem;
    color: var(--text-secondary);
    transition: transform 0.2s;
}

.logging-toggle-text {
    flex: 1;
    text-align: left;
}

.logging-badge {
    background: #6b7280;
    color: white;
    font-size: 0.625rem;
    font-weight: 600;
    padding: 0.125rem 0.5rem;
    border-radius: 9999px;
    min-width: 1.5rem;
    text-align: center;
    transition: background 0.2s;
}

.logging-badge.has-new {
    background: #2563eb;
}

.logging-panel {
    margin-top: 0.75rem;
    background: var(--logging-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    transition: all 0.3s ease;
    max-height: 300px;
    opacity: 1;
}

.logging-panel.collapsed {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
    border-width: 0;
}

.logging-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--logging-header-bg);
    border-bottom: 1px solid var(--border-color);
}

.logging-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.logging-clear {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.25rem 0.5rem;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s;
}

.logging-clear:hover {
    color: #dc2626;
    background: rgba(220, 38, 38, 0.1);
}

.logging-content {
    max-height: 200px;
    overflow-y: auto;
    padding: 0.5rem;
    font-family: monospace;
    font-size: 0.75rem;
}

.log-entry {
    display: flex;
    gap: 0.75rem;
    padding: 0.375rem 0.5rem;
    border-radius: 4px;
    margin-bottom: 0.25rem;
    line-height: 1.4;
}

.log-entry:last-child {
    margin-bottom: 0;
}

.log-time {
    color: var(--text-secondary);
    white-space: nowrap;
    flex-shrink: 0;
}

.log-message {
    color: var(--text-primary);
    word-break: break-word;
}

.log-info .log-message {
    color: var(--text-secondary);
}

.log-action .log-message {
    color: #059669;
    font-weight: 500;
}

.log-api .log-message {
    color: #2563eb;
}

.log-success .log-message {
    color: #059669;
}

.log-error .log-message {
    color: #dc2626;
}

/* Top Controls Styles */
.top-controls {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: flex;
    gap: 0.5rem;
}

.settings-toggle,
.theme-toggle {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--card-shadow);
    font-size: 1rem;
    padding: 0;
}

.settings-toggle:hover,
.theme-toggle:hover {
    transform: scale(1.1);
    opacity: 0.8;
}

.theme-icon,
.settings-icon {
    transition: transform 0.3s ease;
}

/* Settings Modal Styles */
.settings-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
}

.settings-modal-content {
    background: var(--bg-secondary);
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    width: 100%;
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
}

.settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.settings-header h2 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.25rem;
}

.settings-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s;
}

.settings-close:hover {
    background: var(--logging-hover-bg);
    color: var(--text-primary);
    transform: none;
    opacity: 1;
}

.settings-body {
    padding: 1.5rem;
}

/* Camera Status Styles */
.camera-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--logging-bg);
    border-radius: 6px;
    font-size: 0.875rem;
}

.status-indicator {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    flex-shrink: 0;
}

.status-indicator.connected {
    background-color: #059669;
}

.status-indicator.disconnected {
    background-color: #f59e0b;
}

.status-indicator.warning {
    background-color: #f59e0b;
}

.status-indicator.error {
    background-color: #dc2626;
}

.status-text {
    color: var(--text-primary);
    font-weight: 500;
}

/* Settings Divider */
.user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--input-bg);
    font-size: 0.875rem;
}

.user-indicator {
    color: var(--text-secondary);
    font-size: 1rem;
}

.user-text {
    flex: 1;
    color: var(--text-primary);
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.refresh-user-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 2px 4px;
    border-radius: 4px;
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.refresh-user-btn:hover:not(:disabled) {
    background-color: var(--logging-hover-bg);
    color: var(--text-primary);
}

.refresh-user-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.settings-divider {
    height: 1px;
    background: var(--border-color);
    margin: 1.5rem 0;
}

/* Timestamp Toggle Styles */
.timestamp-toggle-container {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.timestamp-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.75rem 0.5rem;
    background: var(--input-bg);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.timestamp-btn:hover {
    border-color: #2563eb;
    background: var(--logging-hover-bg);
}

.timestamp-btn.active {
    border-color: #2563eb;
    background: rgba(37, 99, 235, 0.1);
}

.timestamp-btn .btn-icon {
    font-size: 1.25rem;
    line-height: 1;
}

.timestamp-btn .btn-text {
    white-space: nowrap;
}

/* Camera Actions */
.camera-actions {
    margin: 0.5rem 0;
}

.lookup-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.lookup-btn:hover:not(:disabled) {
    border-color: #2563eb;
    background: var(--logging-hover-bg);
}

.lookup-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.lookup-btn .btn-icon {
    font-size: 1rem;
    line-height: 1;
}

.lookup-btn .btn-text {
    white-space: nowrap;
}

/* Timestamp Manual Section */
.timestamp-manual-section {
    margin-top: 0.75rem;
    padding: 0.75rem;
    background: var(--logging-bg);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    animation: slideDown 0.2s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.timestamp-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.timestamp-manual-section input[type="datetime-local"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.875rem;
    color: var(--text-primary);
    background-color: var(--input-bg);
    box-sizing: border-box;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.timestamp-manual-section input[type="datetime-local"]:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.timestamp-help {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.timestamp-help .help-icon {
    flex-shrink: 0;
    font-size: 0.875rem;
}

.timestamp-help .help-text {
    line-height: 1.4;
}