/* DashTools Tool Interface Styles - Phase 4 Premium
   ==========================================================================
   All tool-specific styles: forms, inputs, buttons, outputs, layouts
   ========================================================================== */

/* Tool Form Layouts
   ========================================================================== */
.dt-tool { display: flex; flex-direction: column; gap: 20px; }
.dt-tool h2 { font-size: 22px; font-weight: 700; }
.dt-tool p.lead { color: var(--color-text-light); font-size: 15px; }
.dt-tool-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.dt-tool-row-3 { grid-template-columns: repeat(3, 1fr); }
.dt-tool-field { display: flex; flex-direction: column; gap: 6px; }
.dt-tool-field-full { grid-column: 1 / -1; }
.dt-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.dt-help { font-size: 12px; color: var(--color-text-muted); margin-top: 2px; }
.dt-input, .dt-select, .dt-textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 15px;
    transition: var(--transition);
    font-family: inherit;
}
.dt-input:focus, .dt-select:focus, .dt-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}
.dt-textarea {
    min-height: 180px;
    resize: vertical;
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 1.55;
}
.dt-textarea-sm { min-height: 100px; }

/* Buttons - Premium Style
   ========================================================================== */
.dt-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
    line-height: 1.4;
    white-space: nowrap;
}
.dt-btn:active { transform: scale(0.97); }
.dt-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.dt-btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}
.dt-btn-primary:hover {
    box-shadow: 0 6px 25px rgba(99, 102, 241, 0.4);
    transform: translateY(-2px);
    color: #fff;
}
.dt-btn-secondary {
    background: var(--color-bg);
    color: var(--color-text);
    border: 1.5px solid var(--color-border);
}
.dt-btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(99, 102, 241, 0.04);
}
.dt-btn-ghost {
    background: transparent;
    color: var(--color-primary);
    border: 1.5px solid transparent;
}
.dt-btn-ghost:hover {
    background: rgba(99, 102, 241, 0.06);
}
.dt-btn-sm { padding: 8px 16px; font-size: 13px; }
.dt-btn-lg { padding: 14px 28px; font-size: 16px; }
.dt-btn-icon { padding: 10px; border-radius: var(--radius-sm); }
.dt-btn-danger { background: var(--color-danger); color: #fff; }
.dt-btn-danger:hover { background: #dc2626; color: #fff; }

/* Output Area - Premium
   ========================================================================== */
.dt-output {
    background: #0f172a;
    color: #e2e8f0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}
.dt-output-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.dt-output-header h3 { font-size: 14px; font-weight: 600; color: #94a3b8; margin: 0; }
.dt-output-body {
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-all;
    max-height: 500px;
    overflow-y: auto;
}
.dt-output-body::-webkit-scrollbar { width: 8px; height: 8px; }
.dt-output-body::-webkit-scrollbar-track { background: rgba(255, 255, 255, 0.05); }
.dt-output-body::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.15); border-radius: 4px; }
.dt-output-body::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.25); }

/* Stats/Metrics
   ========================================================================== */
.dt-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 16px;
    padding: 20px;
    background: var(--color-bg-alt);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}
.dt-stat-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1.2;
}
.dt-stat-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 4px;
}

/* Tabs
   ========================================================================== */
.dt-tabs {
    display: flex;
    gap: 4px;
    border-bottom: 2px solid var(--color-border);
    margin-bottom: 20px;
    overflow-x: auto;
}
.dt-tab {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-muted);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}
.dt-tab:hover { color: var(--color-text); }
.dt-tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}
.dt-tab-content { display: none; }
.dt-tab-content.active { display: block; }

/* Switch/Toggle
   ========================================================================== */
.dt-switch {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}
.dt-switch input { display: none; }
.dt-switch-slider {
    width: 48px;
    height: 26px;
    background: var(--color-border);
    border-radius: 13px;
    position: relative;
    transition: var(--transition);
}
.dt-switch-slider::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: #fff;
    border-radius: 50%;
    top: 3px;
    left: 3px;
    transition: var(--transition);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}
.dt-switch input:checked + .dt-switch-slider {
    background: var(--color-primary);
}
.dt-switch input:checked + .dt-switch-slider::after {
    transform: translateX(22px);
}
.dt-switch-label { font-size: 14px; font-weight: 500; }

/* Invoice/Quotation Preview
   ========================================================================== */
.dt-doc-preview {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    max-width: 800px;
    margin: 0 auto;
}
.dt-doc-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--color-primary);
}
.dt-doc-title { font-size: 32px; font-weight: 800; color: var(--color-primary); }
.dt-doc-number { font-size: 16px; color: var(--color-text-light); margin-top: 4px; }
.dt-doc-meta { text-align: right; font-size: 14px; color: var(--color-text-light); }
.dt-doc-parties {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 32px;
}
.dt-doc-parties h4 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-muted); margin-bottom: 8px; }
.dt-doc-table { width: 100%; border-collapse: collapse; margin-bottom: 24px; }
.dt-doc-table th {
    text-align: left;
    padding: 12px 16px;
    background: var(--color-bg-alt);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    border-bottom: 2px solid var(--color-border);
}
.dt-doc-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border-light);
    font-size: 14px;
}
.dt-doc-totals { text-align: right; }
.dt-doc-totals tr td { padding: 8px 16px; }
.dt-doc-totals tr:last-child td { font-weight: 700; font-size: 18px; color: var(--color-primary); border-top: 2px solid var(--color-primary); }

/* Color/Gradient/QR
   ========================================================================== */
.dt-color-preview {
    width: 100%;
    height: 120px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    margin-bottom: 16px;
    transition: var(--transition);
}
.dt-color-swatches {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(40px, 1fr));
    gap: 8px;
    margin-top: 12px;
}
.dt-swatch {
    width: 100%;
    aspect-ratio: 1;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}
.dt-swatch:hover { transform: scale(1.1); border-color: var(--color-text); }
.dt-gradient-preview {
    width: 100%;
    height: 160px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    margin-bottom: 16px;
}
.dt-qr-output {
    display: flex;
    justify-content: center;
    padding: 24px;
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

/* Stopwatch/Timer
   ========================================================================== */
.dt-timer-display {
    font-family: var(--font-mono);
    font-size: clamp(48px, 10vw, 96px);
    font-weight: 700;
    text-align: center;
    color: var(--color-text);
    padding: 40px 20px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    letter-spacing: 0.02em;
    line-height: 1;
}
.dt-timer-display.running { color: var(--color-primary); }
.dt-timer-controls {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 24px;
}
.dt-lap-list {
    max-height: 300px;
    overflow-y: auto;
    margin-top: 20px;
}
.dt-lap-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 16px;
    border-bottom: 1px solid var(--color-border-light);
    font-size: 14px;
}

/* Notes
   ========================================================================== */
.dt-notes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}
.dt-note-card {
    background: #fffef5;
    border: 1px solid #fde68a;
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.08);
    transition: var(--transition);
}
.dt-note-card:hover { box-shadow: 0 4px 16px rgba(245, 158, 11, 0.15); transform: translateY(-2px); }
.dt-note-card textarea {
    width: 100%;
    min-height: 120px;
    border: none;
    background: transparent;
    resize: vertical;
    font-family: inherit;
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-text);
}
.dt-note-card textarea:focus { outline: none; }
.dt-note-actions {
    display: flex;
    gap: 8px;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid #fde68a;
}

/* Toast/Notifications
   ========================================================================== */
.dt-toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 14px 28px;
    background: #0f172a;
    color: #fff;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    z-index: 10000;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}
.dt-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.dt-toast.success { background: #059669; }
.dt-toast.error { background: #dc2626; }

/* Alerts
   ========================================================================== */
.dt-alert {
    padding: 16px 20px;
    border-radius: var(--radius);
    font-size: 14px;
    line-height: 1.6;
    margin: 12px 0;
    border-left: 4px solid;
}
.dt-alert-info { background: rgba(14, 165, 233, 0.08); border-color: var(--color-secondary); color: #0369a1; }
.dt-alert-success { background: rgba(16, 185, 129, 0.08); border-color: var(--color-success); color: #047857; }
.dt-alert-warning { background: rgba(245, 158, 11, 0.08); border-color: var(--color-accent); color: #b45309; }
.dt-alert-error { background: rgba(239, 68, 68, 0.08); border-color: var(--color-danger); color: #b91c1c; }

/* AI Streaming Output
   ========================================================================== */
.dt-ai-output {
    position: relative;
    min-height: 200px;
}
.dt-ai-output::after {
    content: '▊';
    animation: blink 1s step-end infinite;
    color: var(--color-primary);
    font-weight: 400;
}
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* Responsive
   ========================================================================== */
@media (max-width: 1024px) {
    .dt-tool-input { min-height: 100px; }
    .dt-stats { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
    .dt-tool-row { grid-template-columns: 1fr; }
    .dt-tool-row-3 { grid-template-columns: 1fr; }
    .dt-doc-preview { padding: 20px; }
    .dt-doc-parties { grid-template-columns: 1fr; gap: 20px; }
    .dt-doc-table { font-size: 12px; }
    .dt-doc-table th, .dt-doc-table td { padding: 8px 10px; }
    .dt-stats { grid-template-columns: 1fr 1fr; }
    .dt-timer-display { font-size: clamp(36px, 12vw, 64px); padding: 24px 16px; }
    .dt-btn { padding: 10px 18px; font-size: 14px; }
    .dt-tool-actions { flex-direction: column; gap: 8px; }
    .dt-tool-actions .dt-btn { width: 100%; text-align: center; }
    .dt-tool-output { font-size: 13px; word-break: break-all; }
    .dt-tool-input { min-height: 80px; font-size: 14px; }
    .dt-tool-select { padding: 10px 14px; font-size: 14px; }
    .dt-code-input { font-size: 13px; min-height: 120px; }
    .dt-tool-tabs { overflow-x: auto; flex-wrap: nowrap; }
    .dt-tool-tab { white-space: nowrap; font-size: 13px; padding: 8px 12px; }
}
@media (max-width: 480px) {
    .dt-tool-input { min-height: 60px; font-size: 13px; padding: 10px; }
    .dt-tool-output { font-size: 12px; padding: 10px; }
    .dt-btn { padding: 8px 14px; font-size: 13px; }
    .dt-stats { grid-template-columns: 1fr; }
    .dt-timer-display { font-size: 32px; padding: 16px 12px; }
    .dt-doc-preview { padding: 14px; font-size: 13px; }
    .dt-doc-table { font-size: 11px; }
    .dt-tool-row { gap: 12px; }
}
@media (max-width: 320px) {
    .dt-tool-input { min-height: 50px; font-size: 12px; }
    .dt-btn { padding: 8px 12px; font-size: 12px; }
    .dt-timer-display { font-size: 28px; }
}