/* CSS Variables - Telegram Theme Colors */
:root {
    --tg-theme-bg-color: #ffffff;
    --tg-theme-text-color: #000000;
    --tg-theme-hint-color: #999999;
    --tg-theme-link-color: #2481cc;
    --tg-theme-button-color: #2481cc;
    --tg-theme-button-text-color: #ffffff;
    --tg-theme-secondary-bg-color: #f4f4f5;

    /* Custom colors */
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --color-border: #e5e7eb;
    --color-shadow: rgba(0, 0, 0, 0.1);

    /* Animation */
    --transition: all 0.3s ease;
}

/* Dark theme support */
@media (prefers-color-scheme: dark) {
    :root {
        --tg-theme-bg-color: #1a1a1a;
        --tg-theme-text-color: #ffffff;
        --tg-theme-hint-color: #aaaaaa;
        --tg-theme-secondary-bg-color: #2a2a2a;
        --color-border: #3a3a3a;
        --color-shadow: rgba(0, 0, 0, 0.3);
    }
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--tg-theme-bg-color);
    color: var(--tg-theme-text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 16px;
    padding-bottom: 80px;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 24px;
    padding: 20px 0;
}

.header h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--tg-theme-button-color), #6366f1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: var(--tg-theme-hint-color);
    font-size: 14px;
    margin-bottom: 12px;
}

.scan-counter {
    display: inline-block;
    padding: 6px 16px;
    background: var(--tg-theme-secondary-bg-color);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    color: var(--tg-theme-text-color);
}

.scan-counter span {
    color: var(--tg-theme-button-color);
    font-size: 16px;
}

/* Sections */
.section {
    display: none;
    animation: fadeIn 0.4s ease;
}

.section.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Card */
.card {
    background: var(--tg-theme-secondary-bg-color);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: 0 2px 8px var(--color-shadow);
}

.card h2 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--tg-theme-text-color);
}

/* Textarea */
textarea {
    width: 100%;
    padding: 16px;
    border: 2px solid var(--color-border);
    border-radius: 12px;
    font-size: 15px;
    font-family: inherit;
    color: var(--tg-theme-text-color);
    background: var(--tg-theme-bg-color);
    resize: vertical;
    transition: var(--transition);
    line-height: 1.5;
}

textarea:focus {
    outline: none;
    border-color: var(--tg-theme-button-color);
    box-shadow: 0 0 0 3px rgba(36, 129, 204, 0.1);
}

textarea::placeholder {
    color: var(--tg-theme-hint-color);
}

/* Stats */
.stats {
    display: flex;
    justify-content: space-between;
    margin: 12px 0;
    font-size: 13px;
    color: var(--tg-theme-hint-color);
}

/* Buttons */
.btn {
    width: 100%;
    padding: 14px 24px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    position: relative;
}

.btn-primary {
    background: var(--tg-theme-button-color);
    color: var(--tg-theme-button-text-color);
    box-shadow: 0 4px 12px rgba(36, 129, 204, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(36, 129, 204, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary.loading {
    pointer-events: none;
}

.btn-primary.loading .btn-text {
    opacity: 0;
}

.btn-primary.loading .btn-loader {
    display: block;
}

.btn-loader {
    display: none;
    position: absolute;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.btn-secondary {
    background: var(--tg-theme-secondary-bg-color);
    color: var(--tg-theme-text-color);
    border: 2px solid var(--color-border);
}

.btn-outline {
    background: transparent;
    color: var(--tg-theme-button-color);
    border: 2px solid var(--tg-theme-button-color);
}

.btn-text {
    background: transparent;
    color: var(--tg-theme-hint-color);
    padding: 8px;
    font-size: 14px;
}

.btn-large {
    padding: 18px 32px;
    font-size: 18px;
}

.hint {
    text-align: center;
    color: var(--tg-theme-hint-color);
    font-size: 13px;
    margin-top: 12px;
}

/* Loading Animation */
.loading-animation {
    text-align: center;
    padding: 60px 20px;
}

.spinner {
    width: 60px;
    height: 60px;
    margin: 0 auto 24px;
    border: 4px solid var(--color-border);
    border-top-color: var(--tg-theme-button-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-animation > p {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--tg-theme-text-color);
}

.loading-steps {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 280px;
    margin: 0 auto;
}

.step {
    padding: 12px 16px;
    background: var(--tg-theme-secondary-bg-color);
    border-radius: 8px;
    font-size: 14px;
    text-align: left;
    opacity: 0.5;
    transition: var(--transition);
}

.step.active {
    opacity: 1;
    background: var(--tg-theme-button-color);
    color: var(--tg-theme-button-text-color);
}

.step.completed {
    opacity: 1;
    color: var(--color-success);
}

/* Score Circle */
.score-card {
    text-align: center;
}

.score-circle-container {
    display: flex;
    justify-content: center;
    margin: 24px 0;
}

.score-circle {
    width: 200px;
    height: 200px;
    transform: rotate(-90deg);
}

.score-circle-bg {
    fill: none;
    stroke: var(--color-border);
    stroke-width: 12;
}

.score-circle-fill {
    fill: none;
    stroke: var(--tg-theme-button-color);
    stroke-width: 12;
    stroke-linecap: round;
    stroke-dasharray: 565.48;
    stroke-dashoffset: 565.48;
    transition: stroke-dashoffset 2s ease, stroke 1s ease;
}

.score-circle-fill.high {
    stroke: var(--color-success);
}

.score-circle-fill.medium {
    stroke: var(--color-warning);
}

.score-circle-fill.low {
    stroke: var(--color-danger);
}

.score-text {
    font-size: 48px;
    font-weight: 700;
    fill: var(--tg-theme-text-color);
    transform: rotate(90deg);
    transform-origin: center;
    text-anchor: middle;
    dominant-baseline: central;
}

.score-label {
    font-size: 18px;
    fill: var(--tg-theme-hint-color);
    transform: rotate(90deg);
    transform-origin: center;
    text-anchor: middle;
    dominant-baseline: central;
}

.score-verdict {
    font-size: 16px;
    font-weight: 600;
    margin-top: 16px;
}

.score-verdict.high {
    color: var(--color-success);
}

.score-verdict.medium {
    color: var(--color-warning);
}

.score-verdict.low {
    color: var(--color-danger);
}

/* Score Breakdown */
.score-breakdown {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.score-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.score-item-icon {
    font-size: 24px;
    width: 32px;
    text-align: center;
}

.score-item-content {
    flex: 1;
}

.score-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.score-item-name {
    font-weight: 600;
    font-size: 15px;
}

.score-item-value {
    font-weight: 700;
    font-size: 16px;
}

.score-item-value.high {
    color: var(--color-success);
}

.score-item-value.medium {
    color: var(--color-warning);
}

.score-item-value.low {
    color: var(--color-danger);
}

.score-item-bar {
    height: 8px;
    background: var(--color-border);
    border-radius: 4px;
    overflow: hidden;
}

.score-item-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 1s ease;
}

.score-item-fill.high {
    background: var(--color-success);
}

.score-item-fill.medium {
    background: var(--color-warning);
}

.score-item-fill.low {
    background: var(--color-danger);
}

/* Feedback List */
.feedback-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.feedback-item {
    padding: 12px 16px;
    background: var(--tg-theme-bg-color);
    border-radius: 8px;
    border-left: 4px solid var(--tg-theme-button-color);
    font-size: 14px;
    line-height: 1.5;
}

.feedback-item.critical {
    border-left-color: var(--color-danger);
}

.feedback-item.important {
    border-left-color: var(--color-warning);
}

.feedback-item.suggestion {
    border-left-color: var(--color-success);
}

.feedback-item strong {
    display: block;
    margin-bottom: 4px;
    font-weight: 600;
}

/* Missing Sections */
.missing-sections {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.missing-tag {
    padding: 8px 16px;
    background: var(--color-danger);
    color: white;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 16px;
}

/* Ad Container */
.ad-container {
    margin: 24px 0;
    padding: 16px;
    background: var(--tg-theme-secondary-bg-color);
    border-radius: 12px;
    text-align: center;
    min-height: 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.ad-label {
    font-size: 11px;
    color: var(--tg-theme-hint-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--tg-theme-bg-color);
    border-radius: 20px;
    width: 90%;
    max-width: 400px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    padding: 24px 24px 16px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 22px;
    margin: 0;
}

.close-modal {
    background: none;
    border: none;
    font-size: 28px;
    color: var(--tg-theme-hint-color);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.close-modal:hover {
    background: var(--tg-theme-secondary-bg-color);
}

.modal-body {
    padding: 24px;
}

.modal-subtitle {
    text-align: center;
    color: var(--tg-theme-hint-color);
    margin-bottom: 24px;
    font-size: 14px;
}

.pro-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--tg-theme-secondary-bg-color);
    border-radius: 8px;
}

.feature-icon {
    font-size: 20px;
}

.price {
    text-align: center;
    margin-bottom: 24px;
    padding: 20px;
    background: var(--tg-theme-secondary-bg-color);
    border-radius: 12px;
}

.price-amount {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: var(--tg-theme-button-color);
    margin-bottom: 4px;
}

.price-period {
    font-size: 14px;
    color: var(--tg-theme-hint-color);
}

/* Responsive */
@media (max-width: 480px) {
    .container {
        padding: 12px;
    }

    .header h1 {
        font-size: 24px;
    }

    .card {
        padding: 16px;
    }

    .score-circle {
        width: 160px;
        height: 160px;
    }

    .score-text {
        font-size: 40px;
    }
}

/* Locked Feedback Paywall */
.locked-feedback {
    margin: 16px 0 8px;
    padding: 20px;
    background: linear-gradient(135deg, rgba(36, 129, 204, 0.08), rgba(99, 102, 241, 0.08));
    border-radius: 12px;
    text-align: center;
    border: 1px dashed var(--tg-theme-button-color);
}

.locked-overlay {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.locked-icon {
    font-size: 28px;
}

.locked-text {
    font-weight: 600;
    font-size: 15px;
    color: var(--tg-theme-text-color);
}

.unlock-btn {
    width: 100%;
    padding: 12px 24px;
    background: var(--tg-theme-button-color);
    color: var(--tg-theme-button-text-color);
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 4px;
}

.unlock-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(36, 129, 204, 0.3);
}

.share-unlock-btn {
    width: 100%;
    padding: 10px 16px;
    background: transparent;
    color: var(--tg-theme-button-color);
    border: 1px solid var(--tg-theme-button-color);
    border-radius: 10px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.share-unlock-btn:hover {
    background: rgba(36, 129, 204, 0.08);
}

.blurred-item {
    filter: blur(4px);
    pointer-events: none;
    user-select: none;
    opacity: 0.5;
}

.locked-sections {
    text-align: center;
}

.locked-tag {
    background: var(--tg-theme-hint-color);
    opacity: 0.7;
}

.locked-hint {
    font-size: 12px;
    color: var(--tg-theme-hint-color);
    margin-top: 8px;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}