/* ===================================================================
   TOOLS CSS
   Shared and tool-specific styles for /tools/ pages.
   Tool pages use the site's main layout (page-header, main-layout,
   sidebar, card, etc.) from styles.css. This file only contains
   styles specific to the tool UI components themselves.
   =================================================================== */

/* -------------------------------------------------------------------
   LISTING: Category filter buttons
   ------------------------------------------------------------------- */

.tools-filter {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.tools-filter__btn {
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    background: var(--bg-primary);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s;
}

.tools-filter__btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.tools-filter__btn.is-active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

/* -------------------------------------------------------------------
   LISTING: Tools grid (listing page)
   ------------------------------------------------------------------- */

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

.tools-grid__card {
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: inherit;
    transition: all 0.2s;
}

.tools-grid__card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.tools-grid__category {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--primary);
    background: var(--primary-bg);
    padding: 0.25rem 0.625rem;
    border-radius: 999px;
    margin-bottom: 0.75rem;
    align-self: flex-start;
}

.tools-grid__name {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.tools-grid__desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0 0 1.25rem;
    flex: 1;
}

.tools-grid__link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
    transition: gap 0.15s;
}

.tools-grid__card:hover .tools-grid__link {
    gap: 0.625rem;
}

@media (max-width: 900px) {
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 560px) {
    .tools-grid {
        grid-template-columns: 1fr;
    }
}

/* -------------------------------------------------------------------
   SHARED: Buttons used across tools
   ------------------------------------------------------------------- */

.tool-btn {
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    font-size: 1rem;
    padding: 0.875rem 1.5rem;
}

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

.tool-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.tool-btn--large {
    width: 100%;
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.tool-btn--secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    text-decoration: none;
}

.tool-btn--secondary:hover {
    background: var(--border-color);
}

.tool-btn--small {
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
}

/* -------------------------------------------------------------------
   SHARED: Calculator card wrapper
   ------------------------------------------------------------------- */

.calculator-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.error-message {
    margin-top: 1rem;
    padding: 0.875rem;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 8px;
    color: #dc3545;
    text-align: center;
    font-size: 0.875rem;
}

.result-container {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

/* -------------------------------------------------------------------
   TOOL: What's My Postcode
   ------------------------------------------------------------------- */

.postcode-finder {
    width: 100%;
}

.finder-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
}

.finder-status {
    margin-bottom: 1.5rem;
    color: var(--text-muted);
}

.finder-status.error {
    color: #dc3545;
}

.finder-status.loading {
    color: var(--primary);
}

.result-postcode {
    margin-bottom: 1.5rem;
}

.result-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.postcode-display {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: 1px;
}

.postcode-display:hover {
    text-decoration: underline;
}

.result-details {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.5rem;
    text-align: left;
}

.result-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.result-row:last-child {
    border-bottom: none;
}

.result-key {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.result-value {
    font-weight: 500;
    color: var(--text-primary);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.loading .tool-btn {
    animation: pulse 1.5s infinite;
}

/* -------------------------------------------------------------------
   TOOL: Postcode Distance Calculator
   ------------------------------------------------------------------- */

.distance-calculator {
    width: 100%;
}

.input-group {
    display: flex;
    align-items: flex-end;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.input-field {
    flex: 1;
}

.input-field label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.input-field input {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1.125rem;
    font-weight: 600;
    text-transform: uppercase;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    text-align: center;
    transition: border-color 0.2s;
}

.input-field input:focus {
    outline: none;
    border-color: var(--primary);
}

.input-field input::placeholder {
    text-transform: none;
    font-weight: 400;
    color: #aaa;
}

.swap-btn {
    background: var(--bg-tertiary);
    border: none;
    border-radius: 8px;
    padding: 0.875rem;
    cursor: pointer;
    color: var(--text-muted);
    transition: all 0.2s;
    margin-bottom: 2px;
}

.swap-btn:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.distance-result {
    text-align: center;
    margin-bottom: 1.5rem;
}

.distance-value {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.5rem;
}

.distance-primary {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.distance-unit {
    font-size: 1.5rem;
    color: var(--text-muted);
}

.distance-secondary {
    margin-top: 0.5rem;
    color: var(--text-muted);
    font-size: 0.9375rem;
}

.postcodes-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.postcode-card {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1rem;
}

.postcode-card__header {
    margin-bottom: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.postcode-card__label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #999;
    margin-bottom: 0.25rem;
}

.postcode-card__code {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.postcode-card__code:hover {
    text-decoration: underline;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 0.25rem 0;
    font-size: 0.8125rem;
}

.detail-key {
    color: var(--text-muted);
}

.detail-value {
    font-weight: 500;
    color: var(--text-primary);
    text-align: right;
}

.result-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
}

@media (max-width: 500px) {
    .input-group {
        flex-direction: column;
    }

    .swap-btn {
        transform: rotate(90deg);
        align-self: center;
    }

    .postcodes-comparison {
        grid-template-columns: 1fr;
    }

    .result-actions {
        flex-direction: column;
    }

    .result-actions .tool-btn {
        width: 100%;
    }
}

/* -------------------------------------------------------------------
   TOOL: Stamp Duty Calculator
   ------------------------------------------------------------------- */

.stamp-duty-calculator {
    width: 100%;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.price-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.currency-symbol {
    position: absolute;
    left: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-muted);
}

.price-input-wrapper input {
    width: 100%;
    padding: 1rem 1rem 1rem 2.5rem;
    font-size: 1.5rem;
    font-weight: 600;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    transition: border-color 0.2s;
}

.price-input-wrapper input:focus {
    outline: none;
    border-color: var(--primary);
}

.radio-group {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.radio-group--vertical {
    flex-direction: column;
}

.radio-option {
    flex: 1;
    min-width: 140px;
}

.radio-group--vertical .radio-option {
    flex: none;
}

.radio-option input {
    position: absolute;
    opacity: 0;
}

.radio-label {
    display: block;
    padding: 0.875rem 1rem;
    background: var(--bg-tertiary);
    border: 2px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s;
}

.radio-group--vertical .radio-label {
    text-align: left;
    display: flex;
    flex-direction: column;
}

.radio-label strong {
    display: block;
}

.radio-label small {
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-weight: 400;
}

.radio-option input:checked + .radio-label {
    background: var(--primary-bg);
    border-color: var(--primary);
}

.radio-option input:focus + .radio-label {
    box-shadow: 0 0 0 2px rgba(30,64,175,0.2);
}

.result-header {
    text-align: center;
    margin-bottom: 1rem;
}

.tax-name {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.result-main {
    text-align: center;
    margin-bottom: 1.5rem;
}

.result-amount {
    margin-bottom: 0.5rem;
}

.stamp-duty-calculator .result-value {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
}

.result-rate {
    font-size: 0.9375rem;
    color: var(--text-muted);
}

.ads-notice {
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 8px;
    padding: 0.875rem;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
}

.result-breakdown {
    margin-bottom: 1.5rem;
}

.result-breakdown h4 {
    font-size: 0.9375rem;
    margin-bottom: 0.75rem;
}

.breakdown-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.breakdown-table th,
.breakdown-table td {
    padding: 0.5rem;
    text-align: right;
    border-bottom: 1px solid var(--border-color);
}

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

.breakdown-table th {
    font-weight: 600;
    color: var(--text-muted);
}

.result-summary {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1rem;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    font-size: 0.9375rem;
}

.summary-row--total {
    border-top: 2px solid var(--border-color);
    margin-top: 0.5rem;
    padding-top: 0.75rem;
    font-weight: 700;
    font-size: 1.125rem;
}

.rates-table-wrapper {
    margin: 1.5rem 0;
    overflow-x: auto;
}

.rates-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
}

.rates-table th,
.rates-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.rates-table th {
    background: var(--bg-secondary);
    font-weight: 600;
}

.rates-table tr:hover {
    background: var(--bg-secondary);
}

.table-note {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

@media (max-width: 500px) {
    .radio-group:not(.radio-group--vertical) {
        flex-direction: column;
    }

    .radio-option {
        min-width: 100%;
    }

    .stamp-duty-calculator .result-value {
        font-size: 2.25rem;
    }

    .breakdown-table {
        font-size: 0.8125rem;
    }
}

/* -------------------------------------------------------------------
   SIDEBAR: Tools navigation
   ------------------------------------------------------------------- */

.tools-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.15s;
    border: 1px solid transparent;
}

.tools-nav-link:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.tools-nav-link.is-active {
    background: var(--primary-bg);
    color: var(--primary);
    border-color: var(--primary);
    font-weight: 600;
}