/* ============================================
   Tip Calculator - Stylesheet
   Matches All-WebTools design system (Slate + Orange)
   ============================================ */

:root {
    --tip-primary: #FF8C00;
    --tip-primary-hover: #E67E00;
    --tip-accent: #10b981;
    --tip-dark: #0f172a;
    --tip-dark-light: #1e293b;
    --tip-white: #ffffff;
    --tip-gray-50: #f8fafc;
    --tip-gray-100: #f1f5f9;
    --tip-gray-200: #e2e8f0;
    --tip-gray-300: #cbd5e1;
    --tip-gray-400: #94a3b8;
    --tip-gray-500: #64748b;
    --tip-gray-600: #475569;
    --tip-gray-700: #334155;
    --tip-gray-800: #1e293b;
    --tip-gray-900: #0f172a;
    --tip-success: #22c55e;
    --tip-danger: #ef4444;
    --tip-warning: #f59e0b;
    --tip-radius: 16px;
    --tip-radius-sm: 8px;
    --tip-radius-xs: 6px;
    --tip-shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --tip-shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --tip-mono: 'SF Mono', 'JetBrains Mono', Consolas, monospace;
}

.tool-main-card {
    background: var(--tip-gray-100);
    border-radius: var(--tip-radius);
    overflow: hidden;
}

.tip-tool-grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 24px;
    padding: 24px;
}

@media (max-width: 1024px) {
    .tip-tool-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

.tip-main-panel {
    background: var(--tip-white);
    border-radius: var(--tip-radius);
    padding: 24px;
    box-shadow: var(--tip-shadow);
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

/* ============================================
   Bill + Currency row
   ============================================ */
.tip-bill-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 12px;
}

@media (max-width: 640px) {
    .tip-bill-row { grid-template-columns: 1fr; }
}

.tip-input-card,
.tip-currency-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.tip-input-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--tip-gray-700);
}

.tip-input-label iconify-icon {
    color: var(--tip-primary);
    font-size: 16px;
}

.tip-amount-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--tip-gray-50);
    border: 2px solid var(--tip-gray-200);
    border-radius: var(--tip-radius-sm);
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
    padding: 4px 4px 4px 18px;
}

.tip-amount-wrapper:focus-within {
    border-color: var(--tip-primary);
    background: var(--tip-white);
    box-shadow: 0 0 0 4px rgba(255, 140, 0, 0.1);
}

.tip-currency-symbol {
    font-size: 28px;
    font-weight: 700;
    color: var(--tip-primary);
    font-family: var(--tip-mono);
    line-height: 1;
}

.tip-amount-input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 18px 12px;
    font-size: 32px;
    font-weight: 700;
    color: var(--tip-gray-900);
    outline: none;
    width: 100%;
    font-family: var(--tip-mono);
    min-width: 0;
}

.tip-amount-input::placeholder {
    color: var(--tip-gray-300);
    font-weight: 600;
}

.tip-select {
    width: 100%;
    box-sizing: border-box;
    padding: 14px 14px;
    background: var(--tip-gray-50);
    border: 2px solid var(--tip-gray-200);
    border-radius: var(--tip-radius-sm);
    font-size: 14px;
    color: var(--tip-gray-800);
    font-family: inherit;
    cursor: pointer;
    transition: border-color 0.2s;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23475569' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

.tip-select:focus {
    outline: none;
    border-color: var(--tip-primary);
    background-color: var(--tip-white);
}

/* ============================================
   Mini buttons (shared)
   ============================================ */
.tip-mini-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--tip-white);
    border: 1px solid var(--tip-gray-200);
    border-radius: var(--tip-radius-xs);
    font-size: 13px;
    color: var(--tip-gray-700);
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    font-weight: 500;
    font-family: inherit;
}

.tip-mini-btn:hover {
    background: var(--tip-gray-50);
    border-color: var(--tip-gray-300);
    color: var(--tip-gray-900);
}

.tip-mini-btn.primary {
    background: var(--tip-primary);
    color: var(--tip-white);
    border-color: var(--tip-primary);
}

.tip-mini-btn.primary:hover {
    background: var(--tip-primary-hover);
    border-color: var(--tip-primary-hover);
    color: var(--tip-white);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(255, 140, 0, 0.25);
}

.tip-mini-btn.danger {
    color: var(--tip-danger);
    border-color: #fecaca;
}

.tip-mini-btn.danger:hover {
    background: var(--tip-danger);
    color: var(--tip-white);
    border-color: var(--tip-danger);
}

.tip-mini-btn iconify-icon { font-size: 15px; }

/* ============================================
   Trust badges
   ============================================ */
.tip-trust-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 10px;
    padding: 14px;
    background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 100%);
    border: 1px solid #bbf7d0;
    border-radius: var(--tip-radius-sm);
}

.tip-trust-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    background: rgba(255,255,255,0.7);
    border-radius: var(--tip-radius-xs);
    backdrop-filter: blur(4px);
}

.tip-trust-badge iconify-icon {
    font-size: 22px;
    color: var(--tip-success);
    flex-shrink: 0;
}

.tip-trust-badge div {
    display: flex;
    flex-direction: column;
    gap: 1px;
    min-width: 0;
}

.tip-trust-badge strong {
    font-size: 13px;
    color: #166534;
    font-weight: 700;
    line-height: 1.2;
}

.tip-trust-badge span {
    font-size: 11px;
    color: #15803d;
    line-height: 1.3;
}

/* ============================================
   Section blocks
   ============================================ */
.tip-section-block {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.tip-section-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--tip-gray-700);
}

.tip-section-label iconify-icon {
    color: var(--tip-primary);
    font-size: 16px;
}

/* ============================================
   Service quality presets
   ============================================ */
.tip-preset-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
}

@media (max-width: 640px) {
    .tip-preset-grid { grid-template-columns: repeat(5, 1fr); gap: 6px; }
}

@media (max-width: 480px) {
    .tip-preset-grid { grid-template-columns: repeat(5, 1fr); gap: 4px; }
}

.tip-preset {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 12px 8px;
    background: var(--tip-gray-50);
    border: 2px solid var(--tip-gray-200);
    border-radius: var(--tip-radius-sm);
    cursor: pointer;
    transition: all 0.15s;
    font-family: inherit;
    color: var(--tip-gray-700);
}

.tip-preset:hover {
    border-color: var(--tip-primary);
    background: #fff7ed;
}

.tip-preset.active {
    border-color: var(--tip-primary);
    background: linear-gradient(135deg, #fff7ed 0%, #ffedd5 100%);
    color: var(--tip-primary);
    box-shadow: 0 2px 6px rgba(255, 140, 0, 0.18);
}

.tip-preset iconify-icon {
    font-size: 22px;
}

.tip-preset.active iconify-icon { color: var(--tip-primary); }

.tip-preset-name {
    font-size: 12px;
    font-weight: 600;
}

.tip-preset-pct {
    font-size: 11px;
    font-weight: 700;
    color: var(--tip-gray-500);
}

.tip-preset.active .tip-preset-pct { color: var(--tip-primary); }

@media (max-width: 480px) {
    .tip-preset { padding: 10px 4px; }
    .tip-preset iconify-icon { font-size: 18px; }
    .tip-preset-name { font-size: 10px; }
    .tip-preset-pct { font-size: 9px; }
}

/* ============================================
   Custom Tip Slider
   ============================================ */
.tip-slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tip-percent-value {
    display: inline-flex;
    align-items: center;
    background: var(--tip-gray-50);
    border: 1px solid var(--tip-gray-200);
    border-radius: var(--tip-radius-xs);
    padding: 4px 10px;
    gap: 2px;
}

.tip-percent-value input {
    width: 56px;
    border: none;
    background: transparent;
    font-size: 16px;
    font-weight: 700;
    text-align: right;
    color: var(--tip-primary);
    outline: none;
    font-family: var(--tip-mono);
    padding: 0;
}

.tip-percent-value span {
    font-size: 14px;
    font-weight: 700;
    color: var(--tip-primary);
}

.tip-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--tip-primary) 0%, var(--tip-primary) 36%, var(--tip-gray-200) 36%, var(--tip-gray-200) 100%);
    outline: none;
    margin: 4px 0 4px;
    cursor: pointer;
}

.tip-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--tip-primary);
    cursor: pointer;
    border: 3px solid var(--tip-white);
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.tip-slider::-moz-range-thumb {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--tip-primary);
    cursor: pointer;
    border: 3px solid var(--tip-white);
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.tip-slider-marks {
    display: flex;
    justify-content: space-between;
    font-size: 10px;
    color: var(--tip-gray-400);
    font-family: var(--tip-mono);
    padding: 0 4px;
}

/* ============================================
   Options Row (People + Round)
   ============================================ */
.tip-options-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

@media (max-width: 640px) {
    .tip-options-row { grid-template-columns: 1fr; gap: 14px; }
}

.tip-stepper {
    display: flex;
    align-items: stretch;
    border: 1px solid var(--tip-gray-200);
    border-radius: var(--tip-radius-sm);
    background: var(--tip-white);
    overflow: hidden;
}

.tip-stepper-btn {
    flex-shrink: 0;
    width: 44px;
    background: var(--tip-gray-50);
    border: none;
    cursor: pointer;
    color: var(--tip-gray-600);
    font-size: 18px;
    transition: all 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tip-stepper-btn:hover {
    background: var(--tip-primary);
    color: var(--tip-white);
}

.tip-stepper-btn:active {
    transform: scale(0.95);
}

.tip-stepper-value {
    flex: 1;
    text-align: center;
    border: none;
    border-left: 1px solid var(--tip-gray-200);
    border-right: 1px solid var(--tip-gray-200);
    background: var(--tip-white);
    font-size: 18px;
    font-weight: 700;
    color: var(--tip-gray-900);
    font-family: var(--tip-mono);
    outline: none;
    padding: 10px 4px;
    min-width: 0;
    width: 100%;
    -moz-appearance: textfield;
}

.tip-stepper-value::-webkit-inner-spin-button,
.tip-stepper-value::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.tip-round-group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
}

.tip-round-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 11px 8px;
    background: var(--tip-gray-50);
    border: 1px solid var(--tip-gray-200);
    border-radius: var(--tip-radius-xs);
    font-size: 12px;
    font-weight: 500;
    color: var(--tip-gray-700);
    cursor: pointer;
    transition: all 0.15s;
    font-family: inherit;
}

.tip-round-btn:hover {
    background: var(--tip-white);
    border-color: var(--tip-primary);
    color: var(--tip-primary);
}

.tip-round-btn.active {
    background: var(--tip-primary);
    color: var(--tip-white);
    border-color: var(--tip-primary);
}

.tip-round-btn iconify-icon { font-size: 14px; }

/* ============================================
   Result Card
   ============================================ */
.tip-result-card {
    background: linear-gradient(135deg, var(--tip-gray-900) 0%, var(--tip-gray-800) 100%);
    border-radius: var(--tip-radius);
    padding: 24px;
    color: var(--tip-white);
    box-shadow: var(--tip-shadow-lg);
    position: relative;
    overflow: hidden;
}

.tip-result-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255, 140, 0, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.tip-result-hero {
    text-align: center;
    margin-bottom: 20px;
    position: relative;
}

.tip-result-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 4px;
}

.tip-result-amount {
    font-size: 48px;
    font-weight: 800;
    color: var(--tip-primary);
    font-family: var(--tip-mono);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

@media (max-width: 480px) {
    .tip-result-amount { font-size: 36px; }
}

.tip-result-sublabel {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 6px;
}

.tip-breakdown {
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--tip-radius-sm);
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    position: relative;
}

.tip-breakdown-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
}

.tip-breakdown-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}

.tip-breakdown-label iconify-icon {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.5);
}

.tip-bd-meta {
    color: rgba(255, 255, 255, 0.5);
    font-size: 12px;
    font-weight: 400;
}

.tip-breakdown-value {
    font-family: var(--tip-mono);
    font-weight: 600;
    color: var(--tip-white);
}

.tip-breakdown-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 2px 0;
}

.tip-breakdown-total {
    font-weight: 700;
}

.tip-breakdown-total .tip-breakdown-value {
    color: var(--tip-white);
    font-size: 16px;
}

.tip-breakdown-tip .tip-breakdown-value {
    color: var(--tip-primary);
}

.tip-breakdown-split {
    background: rgba(255, 140, 0, 0.12);
    margin: 4px -16px -14px;
    padding: 12px 16px;
    border-radius: 0 0 var(--tip-radius-sm) var(--tip-radius-sm);
    border-top: 1px solid rgba(255, 140, 0, 0.18);
}

.tip-breakdown-split .tip-breakdown-value {
    color: var(--tip-primary);
    font-size: 17px;
    font-weight: 700;
}

.tip-result-actions {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 8px;
    margin-top: 18px;
}

@media (max-width: 480px) {
    .tip-result-actions {
        grid-template-columns: 1fr;
    }
    .tip-result-actions .tip-mini-btn { justify-content: center; }
}

/* ============================================
   Side Panel
   ============================================ */
.tip-side-panel {
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-width: 0;
}

.tip-section {
    background: var(--tip-white);
    border-radius: var(--tip-radius);
    padding: 18px;
    box-shadow: var(--tip-shadow);
}

.tip-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}

.tip-section-header h3 {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--tip-gray-800);
    margin: 0;
}

.tip-section-header h3 iconify-icon {
    color: var(--tip-primary);
    font-size: 18px;
}

/* Country list */
.tip-country-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.tip-country-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    background: var(--tip-gray-50);
    border-radius: var(--tip-radius-xs);
    cursor: pointer;
    transition: all 0.15s;
    border: 1px solid transparent;
}

.tip-country-item:hover {
    background: #fff7ed;
    border-color: var(--tip-primary);
    transform: translateX(2px);
}

.tip-country-flag {
    font-size: 22px;
    flex-shrink: 0;
}

.tip-country-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.tip-country-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--tip-gray-800);
}

.tip-country-pct {
    font-size: 11px;
    color: var(--tip-gray-500);
}

/* Recent list */
.tip-recent-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 280px;
    overflow-y: auto;
}

.tip-recent-empty {
    font-size: 13px;
    color: var(--tip-gray-400);
    text-align: center;
    padding: 12px;
    margin: 0;
    font-style: italic;
}

.tip-recent-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 10px;
    background: var(--tip-gray-50);
    border-radius: var(--tip-radius-xs);
    cursor: pointer;
    transition: all 0.15s;
    text-align: left;
    width: 100%;
    border: 1px solid transparent;
    font-family: inherit;
}

.tip-recent-item:hover {
    background: #fff7ed;
    border-color: var(--tip-primary);
}

.tip-recent-meta {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
    flex: 1;
}

.tip-recent-amount {
    font-size: 14px;
    font-weight: 700;
    color: var(--tip-gray-900);
    font-family: var(--tip-mono);
}

.tip-recent-detail {
    font-size: 11px;
    color: var(--tip-gray-500);
}

.tip-recent-remove {
    background: transparent;
    border: none;
    color: var(--tip-gray-400);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.15s;
    flex-shrink: 0;
}

.tip-recent-remove:hover {
    color: var(--tip-danger);
    background: #fef2f2;
}

/* Tips */
.tip-tips-section {
    background: linear-gradient(135deg, #1e293b, #0f172a);
}

.tip-tips-section .tip-section-header h3 {
    color: var(--tip-white);
}

.tip-tips-section .tip-section-header h3 iconify-icon {
    color: var(--tip-primary);
}

.tip-tips-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.tip-tips-list li {
    display: flex;
    gap: 8px;
    align-items: flex-start;
    font-size: 13px;
    line-height: 1.5;
    color: rgba(255,255,255,0.85);
}

.tip-tips-list iconify-icon {
    color: var(--tip-primary);
    font-size: 16px;
    flex-shrink: 0;
    margin-top: 2px;
}

/* ============================================
   Toast notifications
   ============================================ */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.tip-toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    background: var(--tip-gray-900);
    color: var(--tip-white);
    border-radius: var(--tip-radius-sm);
    box-shadow: var(--tip-shadow-lg);
    font-size: 14px;
    font-weight: 500;
    pointer-events: auto;
    animation: tip-toast-in 0.3s ease-out;
    max-width: 360px;
}

.tip-toast.success { background: var(--tip-success); }
.tip-toast.error   { background: var(--tip-danger); }
.tip-toast.fade-out { animation: tip-toast-out 0.3s ease-in forwards; }

@keyframes tip-toast-in {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes tip-toast-out {
    to { transform: translateY(20px); opacity: 0; }
}

/* ============================================
   Legal & Safety (content)
   ============================================ */
.legal-safety-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

@media (max-width: 768px) {
    .legal-safety-grid { grid-template-columns: 1fr; gap: 16px; }
}

.legal-card {
    padding: 24px;
    border-radius: var(--tip-radius);
    border: 2px solid;
    background: var(--tip-white);
}

.legal-card.legal {
    border-color: #c7d2fe;
    background: linear-gradient(135deg, #f5f3ff 0%, #eef2ff 100%);
}

.legal-card.safe {
    border-color: #bbf7d0;
    background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 100%);
}

.legal-card-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.legal-card-head iconify-icon {
    font-size: 28px;
    padding: 8px;
    border-radius: 50%;
    background: var(--tip-white);
    box-shadow: var(--tip-shadow);
}

.legal-card.legal .legal-card-head iconify-icon { color: #6366f1; }
.legal-card.safe .legal-card-head iconify-icon  { color: var(--tip-success); }

.legal-card-head h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--tip-gray-900);
}

.legal-card p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--tip-gray-700);
    margin: 0 0 12px;
}

.legal-card p strong { color: var(--tip-gray-900); }

.safety-checks {
    list-style: none;
    padding: 0;
    margin: 12px 0 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.safety-checks li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 13px;
    color: var(--tip-gray-700);
    line-height: 1.5;
}

.safety-checks iconify-icon {
    color: var(--tip-success);
    font-size: 16px;
    flex-shrink: 0;
    margin-top: 2px;
}

/* ============================================
   Use cases / table / comparison / device cards
   ============================================ */
.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    margin-top: 20px;
}

.use-case-card {
    padding: 22px;
    background: var(--tip-white);
    border: 1px solid var(--tip-gray-200);
    border-radius: var(--tip-radius-sm);
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.use-case-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--tip-shadow-lg);
    border-color: var(--tip-primary);
}

.use-case-card iconify-icon {
    font-size: 28px;
    color: var(--tip-primary);
    padding: 10px;
    background: #fff7ed;
    border-radius: 12px;
    margin-bottom: 12px;
}

.use-case-card h3 {
    margin: 0 0 8px;
    font-size: 16px;
    font-weight: 700;
    color: var(--tip-gray-900);
}

.use-case-card p {
    margin: 0;
    font-size: 13px;
    line-height: 1.6;
    color: var(--tip-gray-600);
}

.table-wrapper {
    overflow-x: auto;
    margin: 20px 0;
    border-radius: var(--tip-radius-sm);
    border: 1px solid var(--tip-gray-200);
}

.seo-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    background: var(--tip-white);
    min-width: 640px;
}

.seo-table thead {
    background: linear-gradient(135deg, var(--tip-gray-900), var(--tip-gray-800));
    color: var(--tip-white);
}

.seo-table th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.seo-table tbody tr {
    border-bottom: 1px solid var(--tip-gray-200);
    transition: background 0.15s;
}

.seo-table tbody tr:hover { background: var(--tip-gray-50); }
.seo-table tbody tr:last-child { border-bottom: none; }

.seo-table td {
    padding: 12px 16px;
    color: var(--tip-gray-700);
    line-height: 1.5;
    vertical-align: top;
}

.seo-table td strong { color: var(--tip-gray-900); font-weight: 700; }

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 20px;
}

@media (max-width: 768px) {
    .comparison-grid { grid-template-columns: 1fr; }
}

.comparison-card {
    padding: 22px;
    border-radius: var(--tip-radius-sm);
    border: 2px solid;
}

.comparison-card.good {
    background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 100%);
    border-color: #bbf7d0;
}

.comparison-card.bad {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
    border-color: #fecaca;
}

.comparison-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(0,0,0,0.06);
}

.comparison-head iconify-icon { font-size: 24px; }
.comparison-card.good .comparison-head iconify-icon { color: var(--tip-success); }
.comparison-card.bad .comparison-head iconify-icon  { color: var(--tip-danger); }

.comparison-head h3 {
    margin: 0;
    font-size: 17px;
    font-weight: 700;
    color: var(--tip-gray-900);
}

.comparison-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.comparison-card li {
    font-size: 13px;
    line-height: 1.5;
    color: var(--tip-gray-700);
    padding-left: 22px;
    position: relative;
}

.comparison-card.good li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--tip-success);
    font-weight: 700;
    font-size: 14px;
}

.comparison-card.bad li::before {
    content: "✕";
    position: absolute;
    left: 0;
    color: var(--tip-danger);
    font-weight: 700;
    font-size: 14px;
}

.device-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 20px;
}

.device-card {
    padding: 20px 22px;
    background: var(--tip-white);
    border: 1px solid var(--tip-gray-200);
    border-radius: var(--tip-radius-sm);
}

.device-card h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 12px;
    font-size: 16px;
    font-weight: 700;
    color: var(--tip-gray-900);
}

.device-card h3 iconify-icon {
    color: var(--tip-primary);
    font-size: 22px;
}

.device-card ol {
    margin: 0;
    padding-left: 22px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.device-card li {
    font-size: 14px;
    line-height: 1.6;
    color: var(--tip-gray-700);
}

.device-card strong { color: var(--tip-gray-900); }

.device-card kbd {
    background: var(--tip-gray-100);
    border: 1px solid var(--tip-gray-300);
    border-bottom-width: 2px;
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 11px;
    font-family: var(--tip-mono);
    color: var(--tip-gray-700);
}

.best-practices-list {
    margin: 16px 0 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.best-practices-list li {
    padding: 14px 16px 14px 44px;
    background: var(--tip-gray-50);
    border-radius: var(--tip-radius-xs);
    border-left: 3px solid var(--tip-primary);
    font-size: 14px;
    line-height: 1.6;
    color: var(--tip-gray-700);
    position: relative;
}

.best-practices-list li::before {
    content: "★";
    position: absolute;
    left: 16px;
    top: 14px;
    color: var(--tip-primary);
    font-size: 16px;
    font-weight: 700;
}

.best-practices-list strong { color: var(--tip-gray-900); }

/* ============================================
   Mobile Responsive
   ============================================ */
@media (max-width: 768px) {
    .tip-tool-grid { padding: 16px; gap: 16px; }
    .tip-main-panel { padding: 18px; gap: 14px; }
    .tip-amount-input { font-size: 26px; padding: 14px 8px; }
    .tip-currency-symbol { font-size: 22px; }
    .tip-result-amount { font-size: 36px; }
    .tip-result-card { padding: 18px; }
}

@media (max-width: 480px) {
    .tip-trust-row { grid-template-columns: 1fr 1fr; padding: 10px; }
    .tip-trust-badge { padding: 6px 8px; }
    .tip-trust-badge iconify-icon { font-size: 18px; }
    .tip-trust-badge strong { font-size: 12px; }
    .tip-trust-badge span { font-size: 10px; }
    .legal-card { padding: 18px; }
    .comparison-card, .device-card, .use-case-card { padding: 16px; }
}