/**
 * Rompslomp Tools - Core Calculator & Utility Stylesheet
 * Responsive, SaaS Light-Mode Architecture
 */

:root {
    --rs-primary: #059669;
    --rs-primary-hover: #047857;
    --rs-primary-light: #ecfdf5;
    --rs-slate-900: #0f172a;
    --rs-slate-800: #1e293b;
    --rs-slate-700: #334155;
    --rs-slate-600: #475569;
    --rs-slate-500: #64748b;
    --rs-slate-300: #cbd5e1;
    --rs-slate-200: #e2e8f0;
    --rs-slate-100: #f1f5f9;
    --rs-slate-50:  #f8fafc;
    --rs-success: #16a34a;
    --rs-warning: #d97706;
    --rs-danger: #dc2626;
    --rs-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    --rs-radius: 8px;
    --rs-radius-lg: 12px;
    --rs-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px -1px rgba(0, 0, 0, 0.05);
    --rs-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
}

.rompslomp-tool-wrapper {
    font-family: var(--rs-font);
    color: var(--rs-slate-800);
    line-height: 1.5;
    margin: 1.5rem 0 3rem 0;
}

/* Grids */
.rompslomp-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
}

.rompslomp-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
}

.rompslomp-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

@media (max-width: 768px) {
    .rompslomp-grid-2,
    .rompslomp-grid-3,
    .rompslomp-grid-4 {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

/* Cards */
.rompslomp-card {
    background: #ffffff;
    border: 1px solid var(--rs-slate-200);
    border-radius: var(--rs-radius-lg);
    padding: 1.75rem;
    box-shadow: var(--rs-shadow);
}

.rompslomp-card-header {
    margin-bottom: 1.25rem;
    border-bottom: 1px solid var(--rs-slate-100);
    padding-bottom: 0.75rem;
}

.rompslomp-card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--rs-slate-900);
    margin: 0;
}

/* Form Controls */
.rompslomp-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.rompslomp-form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--rs-slate-700);
}

.rompslomp-input,
.rompslomp-select,
.rompslomp-textarea {
    width: 100%;
    padding: 0.65rem 0.85rem;
    font-size: 0.95rem;
    color: var(--rs-slate-900);
    background-color: #ffffff;
    border: 1px solid var(--rs-slate-300);
    border-radius: var(--rs-radius);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    box-sizing: border-box;
    font-family: inherit;
}

.rompslomp-input:focus,
.rompslomp-select:focus,
.rompslomp-textarea:focus {
    outline: none;
    border-color: var(--rs-primary);
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.15);
}

.rompslomp-help-text {
    font-size: 0.78rem;
    color: var(--rs-slate-500);
}

/* Buttons */
.rompslomp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.7rem 1.25rem;
    border-radius: var(--rs-radius);
    cursor: pointer;
    transition: all 0.15s ease;
    border: 1px solid transparent;
    text-decoration: none;
    line-height: 1.2;
}

.rompslomp-btn-primary {
    background-color: var(--rs-primary);
    color: #ffffff;
}

.rompslomp-btn-primary:hover {
    background-color: var(--rs-primary-hover);
    color: #ffffff;
}

.rompslomp-btn-outline {
    background-color: transparent;
    border-color: var(--rs-slate-300);
    color: var(--rs-slate-700);
}

.rompslomp-btn-outline:hover {
    background-color: var(--rs-slate-100);
    color: var(--rs-slate-900);
}

.rompslomp-btn-danger {
    background-color: #fee2e2;
    border-color: #fecaca;
    color: var(--rs-danger);
}

.rompslomp-btn-danger:hover {
    background-color: #fecaca;
}

.rompslomp-btn-sm {
    padding: 0.4rem 0.75rem;
    font-size: 0.85rem;
}

.rompslomp-btn-del {
    background: transparent;
    border: none;
    color: var(--rs-slate-400);
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

.rompslomp-btn-del:hover {
    color: var(--rs-danger);
    background-color: #fee2e2;
}

/* Results Display Card */
.rompslomp-results-card {
    background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
    border: 1px solid var(--rs-slate-200);
    border-left: 4px solid var(--rs-primary);
    border-radius: var(--rs-radius-lg);
    padding: 1.75rem;
    margin-top: 1.5rem;
    box-shadow: var(--rs-shadow);
}

.rompslomp-results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.rompslomp-results-header h4 {
    margin: 0;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--rs-slate-500);
    font-weight: 700;
}

.rompslomp-kpi-display {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--rs-slate-900);
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.rompslomp-kpi-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--rs-slate-200);
    font-size: 0.9rem;
}

.rompslomp-kpi-details span {
    display: block;
    color: var(--rs-slate-500);
    font-size: 0.8rem;
    margin-bottom: 0.2rem;
}

.rompslomp-kpi-details strong {
    font-size: 1.05rem;
    color: var(--rs-slate-800);
}

/* Badges */
.rompslomp-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.65rem;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 9999px;
    background-color: var(--rs-slate-200);
    color: var(--rs-slate-700);
}

.rompslomp-badge-info {
    background-color: #e0f2fe;
    color: #0369a1;
}

.rompslomp-badge-success {
    background-color: #dcfce7;
    color: #15803d;
}

.rompslomp-badge-warning {
    background-color: #fef3c7;
    color: #b45309;
}

/* Copy Button */
.rompslomp-btn-copy {
    background-color: #ffffff;
    border: 1px solid var(--rs-slate-300);
    color: var(--rs-slate-700);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    border-radius: var(--rs-radius);
    cursor: pointer;
    transition: all 0.15s ease;
}

.rompslomp-btn-copy:hover {
    background-color: var(--rs-slate-100);
    color: var(--rs-slate-900);
}

.rompslomp-btn-copy.copied {
    background-color: #dcfce7;
    color: #15803d;
    border-color: #86efac;
}

/* Tables */
.rompslomp-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0.75rem;
    font-size: 0.9rem;
}

.rompslomp-table th,
.rompslomp-table td {
    padding: 0.65rem 0.75rem;
    border-bottom: 1px solid var(--rs-slate-200);
    text-align: left;
}

.rompslomp-table th {
    background-color: var(--rs-slate-50);
    font-weight: 600;
    color: var(--rs-slate-700);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.rompslomp-table tr:hover td {
    background-color: rgba(248, 250, 252, 0.7);
}

/* Text helpers */
.text-right { text-align: right; }
.text-success { color: var(--rs-success); }
.text-warning { color: var(--rs-warning); }
.text-danger { color: var(--rs-danger); }

/* Invoice Builder Layout */
.rompslomp-invoice-builder-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

@media (max-width: 1100px) {
    .rompslomp-invoice-builder-layout {
        grid-template-columns: 1fr;
    }
}

.rompslomp-preview-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

/* Printable Invoice Sheet (Preview) */
.rompslomp-invoice-sheet {
    background: #ffffff;
    border: 1px solid var(--rs-slate-300);
    border-radius: var(--rs-radius);
    padding: 2.5rem;
    box-shadow: var(--rs-shadow-md);
    font-size: 0.9rem;
    color: #1e293b;
    min-height: 700px;
}

.inv-sheet-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--rs-slate-200);
}

.inv-brand-name {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--rs-slate-900);
    margin: 0 0 0.5rem 0;
}

.inv-brand-meta {
    font-size: 0.82rem;
    color: var(--rs-slate-600);
    line-height: 1.4;
    margin: 0;
}

.inv-sheet-title-block {
    text-align: right;
}

.inv-badge {
    display: inline-block;
    background-color: var(--rs-primary);
    color: #ffffff;
    font-weight: 800;
    font-size: 0.85rem;
    padding: 0.35rem 0.85rem;
    border-radius: 4px;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.inv-meta-row {
    font-size: 0.85rem;
    margin-bottom: 0.2rem;
    color: var(--rs-slate-700);
}

.inv-sheet-client-block {
    margin-bottom: 2rem;
    padding: 1rem;
    background-color: var(--rs-slate-50);
    border-radius: var(--rs-radius);
}

.inv-client-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--rs-slate-500);
    margin-bottom: 0.3rem;
}

.inv-sheet-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 2rem;
}

.inv-sheet-table th {
    background-color: var(--rs-slate-100);
    color: var(--rs-slate-800);
    padding: 0.75rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    border-top: 1px solid var(--rs-slate-300);
    border-bottom: 1px solid var(--rs-slate-300);
}

.inv-sheet-table td {
    padding: 0.85rem 0.75rem;
    border-bottom: 1px solid var(--rs-slate-200);
}

.inv-sheet-totals {
    max-width: 340px;
    margin-left: auto;
    margin-bottom: 2rem;
}

.inv-totals-row {
    display: flex;
    justify-content: space-between;
    padding: 0.4rem 0;
    font-size: 0.9rem;
    color: var(--rs-slate-700);
}

.inv-grand-total-row {
    border-top: 2px solid var(--rs-slate-900);
    margin-top: 0.5rem;
    padding-top: 0.65rem;
    font-weight: 800;
    font-size: 1.15rem;
    color: var(--rs-slate-900);
}

.inv-grand-amount {
    color: var(--rs-primary);
}

.inv-sheet-footer {
    border-top: 1px solid var(--rs-slate-200);
    padding-top: 1.5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    font-size: 0.8rem;
    color: var(--rs-slate-600);
}

.inv-sheet-footer strong {
    color: var(--rs-slate-800);
    display: block;
    margin-bottom: 0.25rem;
}

/* Meta Cards & Educational Blocks */
.rompslomp-tool-meta-sections {
    margin-top: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.rompslomp-meta-card {
    background-color: #ffffff;
    border: 1px solid var(--rs-slate-200);
}

.rompslomp-formula-box {
    background-color: #0f172a;
    color: #38bdf8;
    padding: 1rem 1.25rem;
    border-radius: var(--rs-radius);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.95rem;
    overflow-x: auto;
    margin: 0.75rem 0;
}

.rompslomp-meta-note {
    font-size: 0.875rem;
    color: var(--rs-slate-600);
    margin-top: 0.5rem;
    line-height: 1.6;
}

.rompslomp-step-list {
    padding-left: 1.25rem;
    margin: 0.75rem 0 0 0;
    line-height: 1.7;
    color: var(--rs-slate-700);
}

.rompslomp-step-list li {
    margin-bottom: 0.4rem;
}

.rompslomp-privacy-banner {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    background-color: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: var(--rs-radius-lg);
    padding: 1rem 1.25rem;
    color: #166534;
    font-size: 0.875rem;
    line-height: 1.5;
}

.rompslomp-privacy-banner svg {
    flex-shrink: 0;
    margin-top: 0.15rem;
    color: var(--rs-primary);
}

/* Sequence preview for Tool 2 */
.rompslomp-sequence-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.rompslomp-seq-chip {
    background: #ffffff;
    border: 1px solid var(--rs-slate-300);
    border-radius: 4px;
    padding: 0.35rem 0.65rem;
    font-family: monospace;
    font-size: 0.85rem;
    color: var(--rs-slate-800);
}