/* RIcalibrate Dashboard - Modern Dashboard CSS */

:root {
    /* Color Palette */
    --primary-cyan: #00bcd4;
    --primary-magenta: #e91e63;
    --primary-yellow: #ffc107;
    --primary-black: #212529;
    --primary-orange: #ff9800;
    --primary-green: #4caf50;
    --primary-violet: #9c27b0;
    
    /* Neutral Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f5f6f8;
    --bg-tertiary: #e9ecef;
    --text-primary: #1a1a2e;
    --text-secondary: #6c757d;
    --border-color: #e0e3e8;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);
    
    /* Active color (set dynamically via JS) */
    --active-color: var(--primary-cyan);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 0.75rem;
    --spacing-lg: 1rem;
    --spacing-xl: 1.5rem;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.8125rem;
    --font-size-base: 0.875rem;
    --font-size-lg: 1rem;
    --font-size-xl: 1.125rem;
    
    /* Layout */
    --header-height: auto;
    --sidebar-width: 280px;
    --tab-height: 40px;
    --border-radius: 6px;
    --border-radius-sm: 4px;
}

/* Reset and Base */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    margin: 0;
    padding: 0;
    overflow: hidden;
    height: 100vh;
}

/* Dashboard Container */
.dashboard-container {
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* ============================
   HEADER
   ============================ */
.dashboard-header {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    min-height: 56px;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
    z-index: 10;
    flex-wrap: wrap;
    padding-top: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
}

.header-left {
    flex-shrink: 0;
}

.main-logo {
    width: 400px;
    height: auto;
    display: block;
}

.header-center {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.header-selectors {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.selector-group {
    display: flex;
    align-items: center;
    gap: 4px;
}

.selector-group label {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
}

.header-select {
    padding: 5px 8px;
    font-size: var(--font-size-sm);
    font-family: var(--font-family);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    min-width: 80px;
    font-weight: 600;
}

.header-select:focus {
    outline: none;
    border-color: var(--active-color);
    box-shadow: 0 0 0 2px rgba(0, 188, 212, 0.15);
}

.header-input {
    padding: 5px 8px;
    font-size: var(--font-size-sm);
    font-family: var(--font-family);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-secondary);
    color: var(--text-primary);
    max-width: 160px;
    min-width: 80px;
}

.header-input:focus {
    outline: none;
    border-color: var(--active-color);
    box-shadow: 0 0 0 2px rgba(0, 188, 212, 0.15);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.header-divider {
    width: 1px;
    height: 24px;
    background: var(--border-color);
    margin: 0 4px;
}

/* ============================
   BUTTONS
   ============================ */
.btn {
    padding: 6px 12px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    justify-content: center;
    line-height: 1;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn:active {
    transform: translateY(0);
}

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

.btn-primary:hover {
    background-color: #00acc1;
}

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

.btn-secondary:hover {
    background-color: #343a40;
}

.btn-icon-only {
    padding: 6px;
    width: 34px;
    height: 34px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-icon-only:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-danger-icon {
    color: #dc3545;
    border-color: rgba(220, 53, 69, 0.3);
}

.btn-danger-icon:hover {
    background: rgba(220, 53, 69, 0.1);
    color: #dc3545;
    border-color: #dc3545;
}

.btn-label {
    font-size: var(--font-size-sm);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    font-size: var(--font-size-xs);
    padding: 4px 10px;
}

.btn-outline:hover {
    background-color: var(--bg-secondary);
}

.btn-danger {
    background-color: transparent;
    color: #dc3545;
    border: 1px solid #dc3545;
    padding: 2px;
    font-size: 0.8em;
    min-width: 26px;
    height: 26px;
    border-radius: var(--border-radius-sm);
}

.btn-danger:hover {
    background-color: #dc3545;
    color: white;
}

/* ============================
   MAIN LAYOUT
   ============================ */
.dashboard-main {
    flex: 1;
    display: flex;
    overflow: hidden;
    min-height: 0;
}

/* ============================
   SIDEBAR / CONTROL PANEL
   ============================ */
.control-panel {
    width: var(--sidebar-width);
    background-color: var(--bg-primary);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    /* Color accent border - set via JS */
    border-left: 3px solid var(--active-color);
    transition: border-color 0.2s ease;
}

/* Micro buttons (used in header next to selects) */
.btn-micro {
    width: 24px;
    height: 24px;
    padding: 0;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    background: var(--bg-primary);
    color: var(--text-secondary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}

.btn-micro:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-micro-danger:hover {
    background: rgba(220, 53, 69, 0.1);
    color: #dc3545;
    border-color: rgba(220, 53, 69, 0.4);
}

.forms-container {
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-lg);
}

/* ============================
   CHARTS PANEL
   ============================ */
.charts-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
    background-color: var(--bg-secondary);
}

/* Color Tabs */
.color-tabs {
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 6px var(--spacing-md) 0;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.color-tab {
    padding: 8px 16px;
    border: none;
    background-color: transparent;
    border-bottom: 3px solid transparent;
    border-radius: 0;
    cursor: pointer;
    font-size: var(--font-size-base);
    font-weight: 700;
    transition: all 0.15s ease;
    text-align: center;
    line-height: 1;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
}

.color-tab:hover {
    background-color: var(--bg-secondary);
}

/* Active state: colored bottom border, colored text */
.color-tab[data-color="cyan"].active { border-bottom-color: var(--primary-cyan); color: var(--primary-cyan); background: rgba(0, 188, 212, 0.06); }
.color-tab[data-color="magenta"].active { border-bottom-color: var(--primary-magenta); color: var(--primary-magenta); background: rgba(233, 30, 99, 0.06); }
.color-tab[data-color="yellow"].active { border-bottom-color: var(--primary-yellow); color: #b8860b; background: rgba(255, 193, 7, 0.08); }
.color-tab[data-color="black"].active { border-bottom-color: var(--primary-black); color: var(--primary-black); background: rgba(33, 37, 41, 0.06); }
.color-tab[data-color="orange"].active { border-bottom-color: var(--primary-orange); color: var(--primary-orange); background: rgba(255, 152, 0, 0.06); }
.color-tab[data-color="green"].active { border-bottom-color: var(--primary-green); color: var(--primary-green); background: rgba(76, 175, 80, 0.06); }
.color-tab[data-color="violet"].active { border-bottom-color: var(--primary-violet); color: var(--primary-violet); background: rgba(156, 39, 176, 0.06); }

.color-tab.summary-tab {
    font-weight: 600;
    font-size: var(--font-size-sm);
    letter-spacing: 0;
}

.color-tab.summary-tab.active {
    border-bottom-color: #555;
    color: #555;
    background: rgba(0,0,0,0.04);
}

/* ============================
   CORRECTION READOUT
   ============================ */
.correction-readout {
    padding: 6px var(--spacing-md);
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    min-height: 32px;
    flex-shrink: 0;
    color: var(--text-secondary);
}

.correction-readout:empty {
    display: none;
}

.correction-readout .readout-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.correction-readout .readout-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.correction-readout .readout-value {
    font-weight: 600;
    color: var(--text-primary);
}

.correction-readout .readout-value.positive {
    color: #2e7d32;
}

.correction-readout .readout-value.negative {
    color: #c62828;
}

/* ============================
   CHART AREA
   ============================ */
.chart-area {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
    min-height: 0;
}

.chart-container {
    display: none;
}

.chart-container.active {
    display: block;
    height: 100%;
}

.chart-container.summary.active {
    height: auto;
}

.chart-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    height: 100%;
}

.chart-cell {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chart-cell h4 {
    margin: 0;
    padding: 8px var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.chart-canvas-wrap {
    flex: 1;
    padding: var(--spacing-sm);
    min-height: 0;
    position: relative;
}

.chart-canvas-wrap canvas {
    width: 100% !important;
    height: 100% !important;
}

/* Summary specific */
.chart-container.summary {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.chart-container.summary h3 {
    margin: 0;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.chart-wrapper {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.summary-canvas-wrap {
    height: 350px;
}

/* ============================
   FORMS
   ============================ */
.color-form {
    display: none;
}

.color-form.active {
    display: block;
}

.color-form-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.form-group.ttvi50-group {
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-xs);
}

.form-group.ttvi50-group label {
    font-size: var(--font-size-xs);
    white-space: nowrap;
}

.form-group.ttvi50-group .form-input {
    width: 70px;
}

.form-group label {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.form-input {
    padding: 5px 6px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    background-color: var(--bg-primary);
    transition: border-color 0.15s ease;
    text-align: center;
    font-family: var(--font-mono);
}

.form-input:focus {
    outline: none;
    border-color: var(--active-color);
    box-shadow: 0 0 0 2px rgba(0, 188, 212, 0.15);
}

.form-input:invalid {
    border-color: #dc3545;
}

.form-input.correction-output {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    font-weight: 600;
    border: none;
    padding: 5px 4px;
}

/* Points Section */
.points-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.points-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
}

.points-section h4 {
    margin: 0;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.input-mode-switcher {
    display: flex;
    gap: 0;
    flex-shrink: 0;
}

.input-mode-btn {
    font-size: var(--font-size-xs);
    padding: 2px 10px;
    white-space: nowrap;
    border-radius: 0;
    border: 1px solid var(--border-color);
}

.input-mode-btn:first-child {
    border-radius: var(--border-radius-sm) 0 0 var(--border-radius-sm);
}

.input-mode-btn:last-child {
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
    border-left: none;
}

.input-mode-active {
    background-color: var(--active-color);
    color: white;
    border-color: var(--active-color);
}

.points-container {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.point-group {
    padding: 6px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background-color: var(--bg-secondary);
    transition: transform 0.3s ease, opacity 0.3s ease, background-color 0.4s ease;
}

.point-group.sorting {
    background-color: rgba(0, 188, 212, 0.08);
    transform: scale(0.97);
}

.point-group.sorted-highlight {
    background-color: rgba(0, 188, 212, 0.12);
}

.point-row {
    display: grid;
    grid-template-columns: 55px 65px 70px 26px;
    gap: 4px;
    align-items: end;
}

.point-row .form-group label {
    font-size: 0.6875rem;
}

/* ============================
   SUMMARY TABLE
   ============================ */
.summary-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
    font-family: var(--font-mono);
}

.summary-table th,
.summary-table td {
    padding: 6px 10px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.summary-table th {
    background-color: var(--bg-tertiary);
    font-weight: 600;
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.summary-table td:first-child {
    text-align: left;
    font-weight: 600;
    font-family: var(--font-family);
}

/* ============================
   MODAL (large variant for FAQ)
   ============================ */
.modal-large {
    max-width: 900px;
    width: 90vw;
    max-height: 85vh;
}

.modal-qr {
    max-width: 360px;
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-lg);
}

.qr-image {
    width: 280px;
    height: 280px;
    display: block;
    margin: 0 auto;
}

.usage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.usage-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
}

.usage-card h3 {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--text-primary);
    font-size: var(--font-size-base);
    font-weight: 600;
}

.usage-card h4 {
    margin: var(--spacing-md) 0 var(--spacing-xs) 0;
    font-size: var(--font-size-sm);
}

.usage-card ol, .usage-card ul {
    margin: 0;
    padding-left: var(--spacing-lg);
}

.usage-card li {
    margin-bottom: 2px;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.usage-card strong {
    color: var(--text-primary);
}

.usage-card details {
    margin-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-sm);
}

.usage-card details:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.usage-card summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
}

.usage-card summary:hover {
    color: var(--primary-cyan);
}

.usage-card p {
    margin: 0 0 var(--spacing-xs) 0;
    color: var(--text-secondary);
    line-height: 1.5;
    font-size: var(--font-size-sm);
}

.usage-card kbd {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    padding: 1px 5px;
    font-family: var(--font-mono);
    font-size: 0.8em;
}

/* ============================
   NOTIFICATIONS
   ============================ */
.notification {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    padding: 10px 16px;
    border-radius: var(--border-radius);
    color: white;
    font-weight: 500;
    font-size: var(--font-size-sm);
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.25s ease;
}

.notification-success { background-color: #2e7d32; }
.notification-error { background-color: #c62828; }
.notification-info { background-color: #1565c0; }
.notification-warning { background-color: #e65100; }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ============================
   MODAL
   ============================ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background-color: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    padding: var(--spacing-xl);
}

.modal-close {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-secondary);
    background: none;
    border: none;
}

.modal-close:hover {
    color: var(--text-primary);
}

/* ============================
   RESPONSIVE / ORIENTATION
   ============================ */

/* Responsive Design - Mobile & Tablet Support */

/* Tablet Landscape (1024px and below) */
@media screen and (max-width: 1024px) {
    :root {
        --sidebar-width: 240px;
        --font-size-base: 0.8rem;
        --font-size-sm: 0.75rem;
    }
    
    .dashboard-header {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .header-center {
        order: 3;
        width: 100%;
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    
    .header-selectors {
        flex-direction: column;
        width: 100%;
    }
    
    .selector-group {
        flex: 1;
        min-width: 0;
    }
    
    .header-input {
        font-size: var(--font-size-sm);
    }
}

/* Tablet Portrait & Large Mobile (768px and below) */
@media screen and (max-width: 768px) {
    :root {
        --sidebar-width: 200px;
        --font-size-base: 0.75rem;
        --font-size-sm: 0.7rem;
        --spacing-md: 0.5rem;
        --spacing-lg: 0.75rem;
    }
    
    .dashboard-container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: var(--spacing-sm);
    }
    
    .sidebar-content {
        padding: 0;
    }
    
    .dashboard-main {
        margin-left: 0;
    }
    
    .dashboard-header {
        padding: var(--spacing-sm);
    }
    
    .header-left img {
        height: 32px;
    }
    
    .header-right {
        gap: var(--spacing-xs);
    }
    
    .btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-xs);
    }
    
    .btn-label {
        display: none;
    }
}

/* Mobile (480px and below) */
@media screen and (max-width: 480px) {
    :root {
        --font-size-base: 0.7rem;
        --font-size-sm: 0.65rem;
        --font-size-xs: 0.6rem;
        --spacing-xs: 0.2rem;
        --spacing-sm: 0.3rem;
        --spacing-md: 0.5rem;
        --spacing-lg: 0.6rem;
    }
    
    .dashboard-header {
        padding: var(--spacing-xs);
    }
    
    .header-left img {
        height: 28px;
    }
    
    .header-center {
        gap: var(--spacing-xs);
    }
    
    .selector-group {
        flex-direction: column;
        gap: 2px;
    }
    
    .selector-group label {
        font-size: var(--font-size-xs);
        margin-bottom: 2px;
    }
    
    .header-input {
        padding: 4px 6px;
        font-size: var(--font-size-xs);
    }
    
    .btn {
        padding: 4px 8px;
        font-size: var(--font-size-xs);
        min-height: 32px;
    }
    
    .btn svg {
        width: 12px;
        height: 12px;
    }
    
    .color-tabs {
        flex-wrap: wrap;
        gap: 2px;
    }
    
    .color-tab {
        padding: 6px 10px;
        font-size: var(--font-size-xs);
        min-width: 60px;
    }
    
    .form-group {
        margin-bottom: var(--spacing-sm);
    }
    
    .form-group label {
        font-size: var(--font-size-xs);
        margin-bottom: 2px;
    }
    
    .form-input {
        padding: 6px 8px;
        font-size: var(--font-size-xs);
    }
    
    .point-group {
        padding: var(--spacing-sm);
        gap: var(--spacing-xs);
    }
    
    .point-row {
        gap: var(--spacing-xs);
    }
    
    .point-row .form-group {
        flex: 1;
        min-width: 0;
    }
    
    .input-mode-btn {
        padding: 4px 8px;
        font-size: var(--font-size-xs);
    }
    
    .add-point-btn, .remove-point-btn {
        padding: 6px 8px;
        font-size: var(--font-size-xs);
        min-width: 36px;
        min-height: 32px;
    }
    
    .chart-container {
        padding: var(--spacing-sm);
    }
    
    .chart-canvas-wrap {
        height: 250px !important;
    }
    
    .summary-canvas-wrap {
        height: 200px !important;
    }
    
    .sidebar-section h3 {
        font-size: var(--font-size-sm);
    }
    
    .sidebar-btn {
        padding: var(--spacing-sm);
        font-size: var(--font-size-xs);
    }
    
    .sidebar-btn svg {
        width: 14px;
        height: 14px;
    }
}

/* Small Mobile (360px and below) */
@media screen and (max-width: 360px) {
    .color-tab {
        padding: 4px 8px;
        font-size: 0.55rem;
        min-width: 50px;
    }
    
    .form-input {
        font-size: 0.6rem;
        padding: 4px 6px;
    }
    
    .chart-canvas-wrap {
        height: 200px !important;
    }
    
    .summary-canvas-wrap {
        height: 180px !important;
    }
}

@media screen and (orientation: landscape) and (max-width: 1024px) and (pointer: coarse) {
    body::before {
        display: none;
    }
    
    .dashboard-container {
        display: flex;
    }
}


@media (max-width: 1024px) {
    .dashboard-header {
        padding: 0 var(--spacing-md);
        gap: var(--spacing-sm);
    }
    
    .btn-label {
        display: none;
    }
    
    .dashboard-main {
        flex-direction: column;
    }
    
    .control-panel {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        border-left: none;
        border-top: 3px solid var(--active-color);
        max-height: 40vh;
    }
    
    .chart-grid {
        grid-template-columns: 1fr;
    }
    
    .chart-cell {
        min-height: 250px;
    }
    
    .color-tab {
        padding: 6px 12px;
        font-size: var(--font-size-sm);
    }
    
    .point-row {
        grid-template-columns: 55px 65px 70px 26px;
        gap: 3px;
    }
}

@media (max-width: 768px) {
    .dashboard-header {
        height: auto;
        flex-wrap: wrap;
        padding: var(--spacing-sm);
        gap: var(--spacing-sm);
    }
    
    .header-left {
        display: none;
    }
    
    .header-center {
        order: 2;
        flex-basis: 100%;
    }
    
    .control-panel {
        padding: var(--spacing-sm);
    }
    
    .color-tabs {
        overflow-x: auto;
        flex-wrap: nowrap;
    }
    
    .chart-area {
        padding: var(--spacing-sm);
    }
}

/* ============================
   PRINT HEADER (hidden on screen)
   ============================ */
.print-header {
    display: none;
}

.print-footer {
    display: none;
}

/* ============================
   PRINT STYLES
   ============================ */
@media print {
    .dashboard-header,
    .control-panel,
    .color-tabs,
    .correction-readout,
    .notification,
    .modal {
        display: none !important;
    }

    .print-header {
        display: flex !important;
        align-items: center;
        gap: 1.5rem;
        padding: 0.75rem 1rem;
        border-bottom: 2px solid #333;
        margin-bottom: 1rem;
    }

    .print-logo {
        width: 400px;
        height: auto;
    }

    .print-meta {
        display: flex;
        gap: 2rem;
        font-size: 0.85rem;
    }

    .print-meta-row {
        white-space: nowrap;
    }

    .print-meta-row strong {
        color: #555;
    }

    .print-footer {
        display: flex !important;
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
        border-top: 2px solid #333;
        margin-top: 1.25rem;
        padding: 0.9rem 1rem 0;
        page-break-inside: avoid;
    }

    .print-footer-text {
        margin: 0;
        font-size: 0.82rem;
        line-height: 1.35;
        color: #333;
        text-align: left;
    }

    .print-footer-qr {
        width: 110px;
        height: 110px;
        display: block;
    }
    
    body {
        overflow: visible;
        height: auto;
    }
    
    .dashboard-container {
        display: block !important;
        height: auto !important;
        overflow: visible !important;
    }
    
    .dashboard-main {
        display: block !important;
        height: auto !important;
        overflow: visible !important;
    }
    
    .charts-panel {
        display: block !important;
        height: auto !important;
        overflow: visible !important;
    }
    
    .chart-area {
        display: block !important;
        height: auto !important;
        overflow: visible !important;
        padding: 0 !important;
    }
    
    .chart-container.print-hide {
        display: none !important;
    }
    
    .chart-container.summary {
        display: block !important;
        margin-bottom: var(--spacing-lg);
        box-shadow: none;
        border: 1px solid #ccc;
        height: auto !important;
    }

    .summary-canvas-wrap {
        height: 220px !important;
    }
    
    .chart-container:not(.summary) {
        display: block !important;
        page-break-inside: avoid;
        margin-bottom: var(--spacing-lg);
        box-shadow: none;
        border: 1px solid #ccc;
        height: auto !important;
    }

    .chart-container.active {
        height: auto !important;
    }

    .chart-container.print-hide {
        display: none !important;
    }
    
    .chart-grid {
        grid-template-columns: 1fr 1fr;
    }

    .chart-container:not(.summary) .chart-grid {
        height: auto !important;
        align-items: stretch;
    }
    
    .chart-cell {
        min-height: 300px;
    }

    .chart-container:not(.summary) .chart-cell {
        min-height: 300px !important;
        height: 300px !important;
    }

    .chart-container:not(.summary) .chart-canvas-wrap {
        flex: none !important;
        min-height: 245px !important;
        height: 245px !important;
    }
    
    .chart-canvas-wrap canvas {
        max-height: 350px;
    }
}

/* ============================
   UTILITY CLASSES
   ============================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.hidden { display: none !important; }
.visible { display: block !important; }

/* Mobile-only elements: hidden on desktop, shown on mobile/tablet */
.mobile-only { display: none !important; }

@media (max-width: 1024px) {
    .mobile-only { display: inline-flex !important; }
}