/* Topify.ai Style - ChatGPT Volume Estimator */

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0;
    background: linear-gradient(135deg, #ffffff 0%, #e0f2fe 30%, #fce7f3 70%, #ffffff 100%);
    min-height: 100vh;
}

.container {
    background: transparent;
    padding: 40px 20px;
    border-radius: 0;
    box-shadow: none;
}

.brand.left {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    margin-bottom: 8px;
}

.home-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 100px;
    border-radius: 8px;
    transition: transform 0.15s ease, background-color 0.15s ease;
}

.home-link:hover {
    background-color: rgba(0, 0, 0, 0.04);
    transform: translateY(-1px);
}

.brand {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 12px;
}

.logo {
    display: block;
    width: 100%;
    height: 100%;
}

h1 {
    color: #000000;
    text-align: center;
    margin-bottom: 40px;
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* Input Section */
.input-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 32px;
}

.input-group {
    display: flex;
    flex-direction: column;
}

.input-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: #000000;
    font-size: 14px;
}

.input-group input {
    padding: 16px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    font-size: 16px;
    background: #ffffff;
    transition: all 0.2s ease;
}

.input-group input:focus {
    border-color: #000000;
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}

.input-group small {
    display: block;
    margin-top: 8px;
    color: #6b7280;
    font-size: 12px;
}

.input-group small a {
    color: #000000;
    text-decoration: none;
    font-weight: 500;
}

.input-group small a:hover {
    text-decoration: underline;
}

/* Parameters Section */
.parameters-section {
    background-color: #ffffff;
    padding: 24px 14px;
    border-radius: 12px;
    margin-top: 14px;
    margin-bottom: 24px;
    border: 1px solid #e5e7eb;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.params-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    user-select: none;
}

.params-header h3 {
    margin: 0;
}

.chevron {
    font-size: 24px;
    color: #6b7280;
    font-weight: 700;
}

.parameters-section h3 {
    color: #000000;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.parameters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin-top: 0;
}

.parameter-group {
    display: flex;
    flex-direction: column;
}

.parameter-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: #000000;
    font-size: 14px;
}

.parameter-group input[type="range"] {
    width: 100%;
    margin: 8px 0;
    height: 6px;
    background: #e5e7eb;
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.parameter-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: #000000;
    border-radius: 50%;
    cursor: pointer;
}

.parameter-group input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: #000000;
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.parameter-value {
    font-size: 14px;
    color: #000000;
    text-align: center;
    font-weight: 600;
    margin-top: 4px;
}

/* Disabled Parameters */
.disabled-parameter {
    opacity: 0.4;
    pointer-events: none;
}

.disabled-parameter label {
    color: #9ca3af;
}

.disabled-parameter input[type="range"] {
    background-color: #f3f4f6;
}

.disabled-parameter .parameter-value {
    color: #9ca3af;
}

/* Buttons */
button {
    background-color: #000000;
    color: #ffffff;
    padding: 16px 32px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    width: 100%;
    margin-top: 32px;
    transition: all 0.2s ease;
}

button:hover {
    background-color: #333333;
    transform: translateY(-1px);
}

button:disabled {
    background-color: #9ca3af;
    cursor: not-allowed;
    transform: none;
}

/* Status Messages */
.status-message {
    padding: 16px;
    border-radius: 8px;
    margin: 16px 0;
    text-align: center;
    font-weight: 500;
    font-size: 14px;
}

.status-info {
    background-color: #f0f9ff;
    color: #0369a1;
    border: 1px solid #bae6fd;
}

.status-success {
    background-color: #f0fdf4;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.status-error {
    background-color: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

/* Demo Card */
.demo-card {
    background-color: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 24px;
    margin: 20px 0 24px 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.demo-header h3 {
    margin: 0 0 4px 0;
    font-size: 1.25rem;
    font-weight: 700;
    color: #000000;
}

.demo-header p {
    margin: 0 0 16px 0;
    color: #6b7280;
    font-size: 14px;
}

.demo-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.demo-button {
    background-color: #ffffff;
    color: #111827;
    padding: 12px 16px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    width: auto;
    margin-top: 0;
}

.demo-button:hover {
    background-color: #f9fafb;
}

.demo-button.primary {
    background-color: #000000;
    color: #ffffff;
    border-color: #000000;
}

.demo-note {
    margin-top: 12px;
    color: #6b7280;
    font-size: 12px;
}

/* Sample Tabs */
.sample-tabs {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 12px 0 0 0;
}

.sample-label {
    font-size: 14px;
    color: #6b7280;
}

.sample-tab {
    background-color: #ffffff;
    color: #111827;
    padding: 10px 14px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    width: auto;
    margin-top: 0;
}

.sample-tab:hover {
    background-color: #f9fafb;
}

/* Results Section */
.results {
    margin-top: 40px;
    display: none;
}

.results h2 {
    color: #000000;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.results h3 {
    color: #000000;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 20px;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    background: #ffffff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

th, td {
    border: none;
    padding: 16px;
    text-align: left;
    font-size: 14px;
}

th {
    background-color: #f8f9fa;
    color: #000000;
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

tr:nth-child(even) {
    background-color: #f8f9fa;
}

/* Target Domain Highlighting */
.target-domain-row {
    background-color: #fef3c7 !important;
    font-weight: 600;
}

.target-domain-row td {
    background-color: #fef3c7 !important;
    color: #000000;
}

/* Target Domain Summary */
.target-domain-summary {
    background-color: #fef3c7;
    border: 1px solid #f59e0b;
    border-radius: 12px;
    padding: 24px;
    margin: 24px 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}

.target-domain-summary .stat-item {
    text-align: center;
    padding: 16px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 8px;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.target-domain-summary .stat-value {
    font-size: 24px;
    font-weight: 700;
    color: #000000;
    display: block;
    margin-bottom: 4px;
}

.target-domain-summary .stat-label {
    font-size: 12px;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

/* Metrics */
.metric {
    display: inline-block;
    margin: 12px;
    padding: 20px;
    background-color: #ffffff;
    border-radius: 8px;
    text-align: center;
    border: 1px solid #e5e7eb;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    min-width: 120px;
}

.metric-value {
    font-size: 28px;
    font-weight: 700;
    color: #000000;
    margin-bottom: 4px;
}

.metric-label {
    font-size: 12px;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

/* Loading Indicator */
.loading {
    text-align: center;
    padding: 40px;
}

.loading p {
    color: #6b7280;
    font-size: 16px;
    margin-top: 16px;
    font-weight: 500;
}

.spinner {
    border: 3px solid #f3f4f6;
    border-top: 3px solid #000000;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* View Toggle */
.view-toggle {
    margin: 24px 0;
    text-align: center;
}

.toggle-container {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    background: #ffffff;
    padding: 12px 20px;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.toggle-label {
    font-weight: 600;
    color: #000000;
    font-size: 14px;
}

.toggle-switch {
    position: relative;
    display: inline-flex;
    background: #e5e7eb;
    border-radius: 20px;
    padding: 2px;
    width: 196px;
    height: 36px;
}

.toggle-switch input[type="radio"] {
    display: none;
}

.toggle-switch label {
    flex: 1;
    text-align: center;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: #6b7280;
    cursor: pointer;
    border-radius: 18px;
    transition: all 0.2s ease;
    z-index: 2;
    position: relative;
    background: transparent;
    line-height: 20px;
}

.toggle-switch input[type="radio"]:checked + label {
    color: #ffffff;
    font-weight: 600;
}

.toggle-slider {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 96px;
    height: 36px;
    background: #000000;
    border-radius: 18px;
    transition: all 0.2s ease;
    z-index: 1;
}

.toggle-switch input[type="radio"]:last-of-type:checked ~ .toggle-slider {
    transform: translateX(100px);
}