/* ==================== CSS VARIABLES ==================== */
:root {
    --transcend-blue: #2c5aa0;
    --transcend-blue-dark: #1e4278;
    --transcend-light: #e8f0f8;
    --metric-green: #27ae60;
    --danger-red: #dc2626;
    --warning-amber: #f59e0b;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --bg-primary: #f9fafb;
    --bg-card: #ffffff;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --radius-sm: 6px;
    --radius-md: 10px;
}

/* ==================== RESET & BASE ==================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* ==================== LAYOUT ==================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

/* ==================== HEADER ==================== */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    margin-bottom: 24px;
    border-bottom: 2px solid var(--border-color);
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo-section img {
    height: 32px;
    width: auto;
}

.logo-divider {
    width: 1px;
    height: 24px;
    background: var(--border-color);
}

.logo-subtitle {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.auth-section {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-photo {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
}

.user-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.btn {
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
}

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

.btn-primary:hover {
    background: var(--transcend-blue-dark);
}

.btn-secondary {
    background: white;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

/* ==================== ADMIN BAR ==================== */
.admin-bar {
    background: linear-gradient(135deg, var(--transcend-blue) 0%, var(--transcend-blue-dark) 100%);
    color: white;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.admin-bar .admin-label {
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.9;
}

.admin-bar select {
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255,255,255,0.3);
    background: rgba(255,255,255,0.15);
    color: white;
    font-size: 0.95rem;
    min-width: 250px;
    cursor: pointer;
}

.admin-bar select option {
    background: var(--transcend-blue-dark);
    color: white;
}

.admin-bar select:focus {
    outline: none;
    border-color: white;
    background: rgba(255,255,255,0.25);
}

.admin-bar .company-count {
    margin-left: auto;
    font-size: 0.8rem;
    opacity: 0.8;
}

/* ==================== BACK LINK ==================== */
.back-link {
    display: inline-block;
    color: var(--transcend-blue);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 16px;
    transition: color 0.2s;
}

.back-link:hover {
    color: var(--transcend-blue-dark);
    text-decoration: underline;
}

/* ==================== TOOL BRIEF ==================== */
.tool-brief {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.tool-brief > div {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 14px;
    min-width: 0;
}

.brief-label {
    display: block;
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 0.7px;
    text-transform: uppercase;
    color: var(--transcend-blue);
    margin-bottom: 5px;
}

.tool-brief strong {
    display: block;
    font-size: 0.82rem;
    line-height: 1.35;
}

/* ==================== COMPANY NAME ==================== */
.company-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
}

.company-name {
    font-size: 1.4rem;
    font-weight: 600;
    border: none;
    background: transparent;
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
}

.company-name:hover {
    background: var(--transcend-light);
}

.company-name:focus {
    outline: none;
    background: white;
    box-shadow: 0 0 0 2px var(--transcend-blue);
}

.edit-hint {
    font-size: 0.7rem;
    color: var(--text-secondary);
    opacity: 0;
    transition: opacity 0.2s;
}

.company-header:hover .edit-hint {
    opacity: 1;
}

.last-updated {
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-left: auto;
    text-align: right;
}

.last-updated-date {
    font-weight: 500;
}

.last-updated-by {
    opacity: 0.7;
}

/* ==================== METRIC CARDS ==================== */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.metric-card {
    background: white;
    border-radius: 10px;
    padding: 16px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    cursor: help;
}

.metric-value { font-size: 1.6rem; font-weight: 700; }
.metric-value.negative { color: var(--danger-red); }
.metric-value.positive { color: var(--metric-green); }
.metric-value.warning { color: var(--warning-amber); }
.metric-value.neutral { color: var(--transcend-blue); }
.metric-label { font-size: 0.75rem; color: var(--text-secondary); margin-top: 4px; }

/* ==================== TOOLTIPS ==================== */
[data-tooltip] {
    position: relative;
    cursor: help;
}

[data-tooltip]:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: #1f2937;
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.72rem;
    font-weight: 400;
    z-index: 100;
    margin-bottom: 6px;
    max-width: 280px;
    white-space: normal;
    text-align: left;
    line-height: 1.4;
}

[data-tooltip]:hover::before {
    content: "";
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: #1f2937;
    margin-bottom: -6px;
    z-index: 100;
}

/* ==================== PANEL SYSTEM ==================== */
.panel {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px 20px;
    margin-bottom: 16px;
}

.panel-header {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--transcend-blue);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.panel-header::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

/* ==================== INPUT LAYOUT ==================== */
.two-panel-row {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.form-row {
    display: flex;
    gap: 16px;
}

.form-group {
    flex: 1;
    margin-bottom: 12px;
}

.form-group.flush-bottom {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.form-group input {
    width: 100%;
    padding: 9px 11px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 0.9rem;
}

.form-group input:focus {
    outline: none;
    border-color: var(--transcend-blue);
    box-shadow: 0 0 0 2px rgba(44, 90, 160, 0.1);
}

/* Inline pencil icons for company name and terminal day */
.pencil-icon.inline {
    font-size: 0.7rem;
    opacity: 0.4;
    margin-left: 4px;
}

.company-header:hover .pencil-icon.inline,
.terminal-label:hover .pencil-icon {
    opacity: 0.7;
}

.hint {
    font-size: 0.68rem;
    color: var(--text-secondary);
    margin-top: 3px;
}

.hint.green { color: var(--metric-green); }

/* ==================== GROWTH ENGINE ROW ==================== */
.growth-engine-row {
    display: flex;
    align-items: stretch;
    gap: 16px;
}

.ad-spend-column {
    flex: 0 0 180px;
    /* Match ROAS chain container's background and padding exactly */
    background: var(--transcend-light);
    border-radius: 6px;
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
}

.ad-spend-label {
    /* Same styling as ROAS chain label for pixel-perfect alignment */
    font-size: 0.68rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 500;
}

.ad-spend-step {
    /* Inherits from .roas-step but with full width input */
}

.ad-spend-step input {
    width: 100%;
    text-align: left;
    padding-right: 10px;
}

.roas-chain-column {
    flex: 1;
}

/* ==================== ROAS CHAIN ==================== */
.roas-chain-container {
    background: var(--transcend-light);
    border-radius: 6px;
    padding: 12px 16px;
}

.roas-chain-label {
    font-size: 0.68rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 500;
}

.roas-chain {
    display: flex;
    align-items: flex-end;
    gap: 6px;
}

.roas-step {
    flex: 1;
}

.roas-step label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--transcend-blue);
}

.roas-step input {
    width: 100%;
    padding: 8px 10px;
    padding-right: 22px;
    border: 1px solid rgba(44, 90, 160, 0.2);
    border-radius: 4px;
    font-size: 0.85rem;
    text-align: center;
    background: white;
}

/* Terminal day pencil icon (inline next to D365) */
.terminal-label .pencil-icon {
    font-size: 0.6rem;
    opacity: 0.4;
    margin-left: 2px;
}

.arrow {
    color: var(--transcend-blue);
    opacity: 0.4;
    font-size: 1rem;
    padding-bottom: 10px;
}

.terminal-label {
    display: flex;
    align-items: center;
    gap: 2px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--transcend-blue);
}

.terminal-day-input {
    width: 38px !important;
    padding: 0 3px !important;
    font-size: 0.7rem !important;
    font-weight: 600 !important;
    border: 1px dashed var(--transcend-blue) !important;
    border-radius: 2px !important;
    text-align: center !important;
    background: white !important;
    line-height: 1.2;
    -moz-appearance: textfield;
}

.terminal-day-input::-webkit-outer-spin-button,
.terminal-day-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.terminal-day-input:focus {
    outline: none !important;
    border-style: solid !important;
    box-shadow: 0 0 0 2px rgba(44, 90, 160, 0.15) !important;
}

.terminal-suffix {
    font-size: 0.6rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.payback-result {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.payback-value {
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 4px;
}

.payback-value.good { background: #dcfce7; color: var(--metric-green); }
.payback-value.avg { background: #fef3c7; color: var(--warning-amber); }
.payback-value.slow { background: #fee2e2; color: var(--danger-red); }

/* ==================== SENSITIVITY MATRIX ==================== */
.sensitivity-controls {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 16px;
}

.sensitivity-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.variance-input {
    display: flex;
    align-items: center;
    gap: 6px;
}

.variance-input label {
    font-size: 0.72rem;
    color: var(--text-secondary);
}

.variance-field {
    width: 45px;
    padding: 6px 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.85rem;
    text-align: center;
}

.variance-field:focus {
    outline: none;
    border-color: var(--transcend-blue);
    box-shadow: 0 0 0 2px rgba(44, 90, 160, 0.1);
}

.variance-suffix {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.sensitivity-matrix {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    text-align: center;
}

.sensitivity-matrix th {
    padding: 10px 16px;
    font-weight: 600;
}

.sensitivity-matrix .header-group {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.sensitivity-matrix .row-header {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    text-align: left;
}

.sensitivity-matrix .row-label {
    text-align: left;
    font-weight: 500;
    padding: 12px 16px;
}

.sensitivity-matrix .cell {
    padding: 12px 16px;
    border: 1px solid var(--border-color);
}

.sensitivity-matrix .cell.highlight {
    background: var(--transcend-light);
    font-weight: 700;
    color: var(--transcend-blue);
}

.sensitivity-matrix .cell.good {
    background: #dcfce7;
    color: var(--metric-green);
    font-weight: 600;
}

.sensitivity-matrix .cell.bad {
    background: #fee2e2;
    color: var(--danger-red);
    font-weight: 600;
}

.sensitivity-legend {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 12px;
    font-size: 0.72rem;
    color: var(--text-secondary);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.legend-box {
    width: 14px;
    height: 14px;
    border-radius: 3px;
    border: 1px solid var(--border-color);
}

.legend-box.highlight {
    background: var(--transcend-light);
    border-color: var(--transcend-blue);
}

.legend-box.good {
    background: #dcfce7;
    border-color: var(--metric-green);
}

.legend-box.bad {
    background: #fee2e2;
    border-color: var(--danger-red);
}

.bear { color: var(--danger-red); }
.base { font-weight: 600; }
.bull { color: var(--metric-green); }

.zero-spend-warning {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: #fef3c7;
    border: 1px solid var(--warning-amber);
    border-radius: 6px;
    margin-top: 12px;
    font-size: 0.8rem;
    color: #92400e;
}

.zero-spend-warning .warning-icon {
    font-size: 1rem;
}

/* ==================== CHART ==================== */
.chart-container {
    position: relative;
    height: 300px;
    margin: 20px 0;
}

/* ==================== COLLAPSIBLE ==================== */
.collapsible-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    padding: 12px 0;
}

.collapsible-header:hover {
    color: var(--transcend-blue);
}

.collapsible-header:focus-visible {
    outline: 2px solid var(--transcend-blue);
    outline-offset: 3px;
}

.collapsible-icon {
    transition: transform 0.2s;
}

.collapsible-icon.open {
    transform: rotate(180deg);
}

.collapsible-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.collapsible-content.open {
    max-height: 2000px;
}

/* ==================== TABLES ==================== */
.table-container {
    overflow-x: auto;
}

.cashflow-title {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.cashflow-table-wrap {
    margin-top: 16px;
}

.full-width-action {
    margin-top: 16px;
    width: 100%;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

th, td {
    padding: 10px 14px;
    text-align: right;
    border-bottom: 1px solid var(--border-color);
}

th {
    background: var(--bg-primary);
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.5px;
}

th:first-child, td:first-child {
    text-align: left;
}

tr:hover {
    background: rgba(44, 90, 160, 0.03);
}

.cashflow-interest,
.cashflow-positive {
    color: var(--metric-green);
}

.cashflow-danger {
    color: var(--danger-red);
    font-weight: 600;
}

.cashflow-warning {
    color: var(--warning-amber);
}

/* ==================== STATES ==================== */
.loading-state, .auth-required, .access-denied {
    text-align: center;
    padding: 60px 20px;
}

.state-copy {
    margin: 20px 0;
    color: var(--text-secondary);
}

.access-copy {
    color: var(--text-primary);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--transcend-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.access-denied {
    background: rgba(220, 38, 38, 0.1);
    border: 1px solid var(--danger-red);
    border-radius: var(--radius-md);
}

.access-denied h2 {
    color: var(--danger-red);
}

/* ==================== FOOTER ==================== */
.footer {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    border-top: 1px solid var(--border-color);
    margin-top: 40px;
}

.footer-note,
.comments-empty-help {
    margin-top: 8px;
}

.comments-empty-help {
    font-size: 12px;
}

/* ==================== SAVE INDICATOR ==================== */
.save-indicator {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--metric-green);
    color: white;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.save-indicator.show {
    opacity: 1;
    transform: translateY(0);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    .container {
        padding: 16px;
    }

    header {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .auth-section {
        width: 100%;
        justify-content: center;
    }

    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tool-brief {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .two-panel-row {
        grid-template-columns: 1fr;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .roas-chain {
        flex-wrap: wrap;
    }

    .roas-step {
        flex: 1 1 45%;
        min-width: 80px;
    }

    .arrow {
        display: none;
    }

    .growth-engine-row {
        flex-direction: column;
        gap: 12px;
    }

    .ad-spend-column {
        flex: 1 1 auto;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .metrics-grid {
        grid-template-columns: 1fr;
    }

    .tool-brief {
        grid-template-columns: 1fr;
    }

    .sensitivity-matrix {
        font-size: 0.75rem;
    }

    .sensitivity-matrix th,
    .sensitivity-matrix td {
        padding: 8px 6px;
    }

    .sensitivity-controls {
        flex-wrap: wrap;
        gap: 12px;
    }

    .variance-input {
        flex: 1 1 45%;
    }
}

.hidden {
    display: none !important;
}

.card-header {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--transcend-blue);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

/* Onboarding Banner */
.onboarding-banner {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #2c5aa0 0%, #1e4278 100%);
    color: white;
    padding: 16px 24px;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
    z-index: 900; /* Below save indicator (1000) */
    display: flex;
    align-items: center;
    gap: 16px;
    width: calc(100% - 48px);
    max-width: 600px;
    animation: slideUp 0.4s ease-out forwards;
}

@keyframes slideUp {
    from { transform: translateX(-50%) translateY(100px); opacity: 0; }
    to { transform: translateX(-50%) translateY(0); opacity: 1; }
}

.onboarding-banner.hidden {
    display: none;
}

.onboarding-icon {
    font-size: 28px;
    flex-shrink: 0;
}

.onboarding-content {
    flex: 1;
}

.onboarding-title {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 4px;
}

.onboarding-text {
    font-size: 13px;
    opacity: 0.9;
}

.onboarding-dismiss {
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    flex-shrink: 0;
}

.onboarding-dismiss:hover {
    background: rgba(255,255,255,0.3);
}