/* ─────────────────────────────────────────────
   Shared Tools CSS — Premium Design System
   Font loaded via local fonts.css (no external @import)
   ───────────────────────────────────────────── */

:root {
    --tool-bg-body: #f5f7fa;
    --tool-card-bg: #ffffff;
    --tool-border-color: #e5e7eb;
    --tool-primary: #6c63ff;
    --tool-primary-light: #eef0ff;
    --tool-text-dark: #111827;
    --tool-text-muted: #6b7280;
    --tool-radius: 16px;
    --tool-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.03);
    --tool-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
    --tool-shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.08);
}

body {
    background-color: var(--tool-bg-body);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--tool-text-dark);
}


/* ──────────────── Hero Header ──────────────── */

.tool-hero {
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 40%, #4338ca 100%);
    padding: 4rem 0 3.5rem;
    position: relative;
    overflow: hidden;
}

.tool-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: rgba(99, 102, 241, 0.15);
    filter: blur(80px);
    pointer-events: none;
}

.tool-hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: rgba(139, 92, 246, 0.12);
    filter: blur(60px);
    pointer-events: none;
}

.tool-hero-inner {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.tool-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50px;
    padding: 0.4rem 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 1.25rem;
    letter-spacing: 0.02em;
}

.tool-hero-badge i {
    font-size: 0.9rem;
    color: #a5b4fc;
}

/* ──────────────── Breadcrumb Nav ──────────────── */

.breadcrumb-nav {
    margin-bottom: 1.25rem;
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 0;
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.85rem;
    justify-content: center;
}

.breadcrumb-item a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.65rem;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.breadcrumb-item a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.breadcrumb-item a i {
    font-size: 0.8rem;
}

.breadcrumb-separator {
    color: rgba(255, 255, 255, 0.35);
    font-size: 0.65rem;
    padding: 0 0.15rem;
}

.breadcrumb-item.active span {
    color: #fff !important;
    font-weight: 500;
    padding: 0.3rem 0.65rem;
}

.tool-hero h1 {
    font-size: 2.75rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 1rem;
    letter-spacing: -0.03em;
    line-height: 1.15;
}

.tool-hero p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin: 0;
}


/* ──────────────── Action Bar ──────────────── */

.tool-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}

.tool-actions-left {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tool-actions-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tool-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.9rem;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid var(--tool-border-color);
    background: white;
    color: var(--tool-text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.tool-action-btn:hover {
    border-color: var(--tool-primary);
    color: var(--tool-primary);
    background: var(--tool-primary-light);
}

.tool-action-btn i {
    font-size: 0.85rem;
}


/* ──────────────── Tool Container ──────────────── */

.tool-container {
    max-width: 1300px;
    margin: -2rem auto 0;
    padding: 0 1rem;
    position: relative;
    z-index: 2;
}

.tool-container.bg-light {
    border-radius: 20px 20px 0 0;
    overflow: hidden;
}

.tool-card {
    background: var(--tool-card-bg);
    border-radius: var(--tool-radius);
    box-shadow: var(--tool-shadow-lg);
    border: 1px solid var(--tool-border-color);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.tool-card-body {
    padding: 1.75rem;
}


/* ──────────────── Tool Input ──────────────── */

.tool-label {
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--tool-text-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.tool-label i {
    color: var(--tool-primary);
    font-size: 1.1rem;
}

.tool-input {
    border: 2px solid var(--tool-border-color);
    border-radius: 14px;
    padding: 1.25rem 1.5rem;
    font-size: 1rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background-color: #fafbfc;
    width: 100%;
    max-width: 100%;
    line-height: 1.8;
    transition: all 0.25s ease;
}

textarea.tool-input {
    resize: vertical;
    min-height: 220px;
}

.tool-input:focus {
    border-color: var(--tool-primary);
    box-shadow: 0 0 0 4px rgba(108, 99, 255, 0.1);
    outline: none;
    background: #fff;
}

.tool-input::placeholder {
    color: #9ca3af;
}


/* ──────────────── Stats Grid ──────────────── */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0.75rem;
    margin-top: 1.25rem;
}

.stat-card {
    background: var(--tool-card-bg);
    padding: 1.25rem 0.75rem;
    border-radius: 14px;
    text-align: center;
    border: 1px solid var(--tool-border-color);
    transition: all 0.25s ease;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--tool-primary), #818cf8);
    opacity: 0;
    transition: opacity 0.25s ease;
}

.stat-card:hover {
    transform: translateY(-3px);
    border-color: rgba(108, 99, 255, 0.3);
    box-shadow: 0 8px 20px rgba(108, 99, 255, 0.1);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-value {
    font-size: 2.25rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--tool-primary), #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.4rem;
    line-height: 1;
}

.stat-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--tool-text-muted);
    letter-spacing: 0.1em;
}

@media (max-width: 992px) {
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 576px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}


/* ──────────── Advanced Stats Panel ──────────── */

.advanced-panel {
    background: var(--tool-card-bg);
    border: 1px solid var(--tool-border-color);
    border-radius: var(--tool-radius);
    box-shadow: var(--tool-shadow-sm);
    overflow: hidden;
}

.advanced-panel-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--tool-border-color);
    background: #fafbfc;
}

.advanced-panel-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--tool-text-muted);
    letter-spacing: 0.08em;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.advanced-panel-title i {
    color: var(--tool-primary);
    font-size: 0.9rem;
}

.advanced-panel-body {
    padding: 1.5rem;
}

.advanced-stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.7rem 0;
    border-bottom: 1px solid #f3f4f6;
}

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

.advanced-stat-label {
    font-size: 0.85rem;
    color: var(--tool-text-muted);
}

.advanced-stat-value {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--tool-text-dark);
}


/* ──────────── Density Chips ──────────── */

.density-section {
    padding: 1.5rem;
    border-top: 1px solid var(--tool-border-color);
}

.density-section-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--tool-text-muted);
    letter-spacing: 0.08em;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.density-section-title i {
    color: var(--tool-primary);
}

.density-chip {
    background: #fff;
    border: 1px solid var(--tool-border-color);
    border-radius: 10px;
    padding: 0.6rem 0.9rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.2s ease;
    gap: 0.5rem;
}

.density-chip:hover {
    border-color: var(--tool-primary);
    box-shadow: 0 2px 8px rgba(108, 99, 255, 0.08);
}

.density-chip .word {
    font-weight: 600;
    font-size: 0.85rem;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.density-chip .count {
    font-size: 0.8rem;
    color: var(--tool-text-muted);
}

.density-chip .perc {
    font-size: 0.7rem;
    background: var(--tool-primary-light);
    color: var(--tool-primary);
    padding: 2px 8px;
    border-radius: 6px;
    font-weight: 600;
}

.density-chip .btn-remove {
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    color: #ef4444;
    opacity: 0.4;
    transition: all 0.2s;
    cursor: pointer;
    font-size: 0.75rem;
}

.density-chip .btn-remove:hover {
    opacity: 1;
    background: rgba(239, 68, 68, 0.08);
}


/* ──────────── Settings Panel ──────────── */

.settings-panel {
    background: var(--tool-card-bg);
    border: 1px solid var(--tool-border-color);
    border-radius: var(--tool-radius);
    box-shadow: var(--tool-shadow-sm);
    overflow: hidden;
}

.settings-panel-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--tool-border-color);
    background: #fafbfc;
}

.settings-panel-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--tool-text-muted);
    letter-spacing: 0.08em;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.settings-panel-title i {
    color: var(--tool-primary);
}

.settings-panel-body {
    padding: 1.5rem;
}

.settings-panel .form-select {
    border-radius: 10px;
    border: 1px solid var(--tool-border-color);
    font-size: 0.85rem;
    padding: 0.5rem 0.75rem;
}

.settings-panel .form-select:focus {
    border-color: var(--tool-primary);
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.1);
}

.settings-panel .form-control {
    border-radius: 10px;
    border: 1px solid var(--tool-border-color);
    font-size: 0.85rem;
}

.settings-panel .form-control:focus {
    border-color: var(--tool-primary);
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.1);
}

.settings-panel .btn-outline-secondary {
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: 600;
    border-color: var(--tool-border-color);
}

.settings-panel .btn-outline-secondary:hover {
    background: var(--tool-primary);
    border-color: var(--tool-primary);
    color: #fff;
}

.settings-panel .form-check-input:checked {
    background-color: var(--tool-primary);
    border-color: var(--tool-primary);
}

.stopword-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    background: #f3f4f6;
    border-radius: 6px;
    padding: 0.2rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: #374151;
}


/* ──────────── Content Sections ──────────── */

.content-section {
    padding: 5rem 0;
    background: #fff;
}

.content-container {
    max-width: 780px;
    margin: 0 auto;
}

.content-section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.content-section-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--tool-primary-light);
    color: var(--tool-primary);
    border-radius: 50px;
    padding: 0.4rem 1rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 1rem;
}

.content-heading {
    font-size: 2rem;
    /* 32px */
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--tool-text-dark);
    margin-top: 2.5rem;
    letter-spacing: -0.02em;
    line-height: 1.3;
}

.content-heading:first-child {
    margin-top: 0;
}

.content-text {
    line-height: 1.8;
    color: #4b5563;
    /* Gray-600 */
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.content-text h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--tool-text-dark);
    margin-top: 2rem;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.content-text h3 {
    font-size: 1.5rem;
    /* 24px */
    font-weight: 600;
    color: var(--tool-text-dark);
    margin-top: 1.75rem;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.content-text p {
    margin-bottom: 1.25rem;
}


/* ──────────── FAQ Section ──────────── */

.faq-section {
    padding: 5rem 0;
    background: var(--tool-bg-body);
}

.faq-container {
    max-width: 780px;
    margin: 0 auto;
}

.faq-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.faq-header h2 {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--tool-text-dark);
    letter-spacing: -0.02em;
}

.faq-header p {
    color: var(--tool-text-muted);
    font-size: 1rem;
    margin-top: 0.5rem;
}

.faq-item {
    background: var(--tool-card-bg);
    border: 1px solid var(--tool-border-color);
    border-radius: 14px;
    margin-bottom: 0.75rem;
    overflow: hidden;
    transition: all 0.25s ease;
}

.faq-item:hover {
    border-color: rgba(108, 99, 255, 0.25);
    box-shadow: 0 2px 10px rgba(108, 99, 255, 0.06);
}

.faq-question {
    font-size: 1rem;
    font-weight: 600;
    color: var(--tool-text-dark);
    cursor: pointer;
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    padding: 1.25rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    line-height: 1.5;
}

.faq-question i {
    color: var(--tool-text-muted);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-question[aria-expanded="true"] i {
    transform: rotate(180deg);
}

.faq-question-heading {
    margin: 0;
    padding: 0;
    font-size: inherit;
    font-weight: inherit;
    line-height: inherit;
}

.faq-answer {
    color: var(--tool-text-muted);
    line-height: 1.7;
    padding: 0 1.5rem 1.25rem;
    font-size: 0.95rem;
}


/* ──────────── Section Divider ──────────── */

.section-divider {
    border: none;
    border-top: 1px solid var(--tool-border-color);
    margin: 3rem 0;
    opacity: 0.4;
}


/* ──────────── Responsive ──────────── */

@media (max-width: 992px) {
    .tool-hero h1 {
        font-size: 2rem;
    }

    .tool-hero {
        padding: 3rem 0 2.5rem;
    }

    .tool-container {
        margin-top: -1.5rem;
    }

    .tool-card-body {
        padding: 1.25rem;
    }
}

@media (max-width: 576px) {
    .tool-hero h1 {
        font-size: 1.6rem;
    }

    .tool-hero p {
        font-size: 0.95rem;
    }

    .tool-hero {
        padding: 2.5rem 0 2rem;
    }

    .tool-card-body {
        padding: 1rem;
    }

    .tool-input {
        padding: 1rem;
        font-size: 0.95rem;
    }

    textarea.tool-input {
        min-height: 180px;
    }

    .stat-value {
        font-size: 1.75rem;
    }

    .tool-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .tool-actions-left,
    .tool-actions-right {
        justify-content: center;
    }

    .content-section,
    .faq-section {
        padding: 3rem 0;
    }

}

/* ──────────────── Char Counter Extras ──────────────── */

/* Secondary Toolbar */
.tool-actions-secondary {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: #f8fafc;
    border-top: 1px solid var(--tool-border-color);
    border-bottom: 1px solid var(--tool-border-color);
}

.btn-text-transform {
    background: none;
    border: 1px solid transparent;
    border-radius: 6px;
    padding: 0.25rem 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--tool-text-muted);
    cursor: pointer;
    transition: all 0.2s;
}

.btn-text-transform:hover {
    background: #eef2ff;
    color: var(--tool-primary);
}

.btn-text-action {
    background: none;
    border: 1px solid var(--tool-border-color);
    border-radius: 6px;
    padding: 0.25rem 0.75rem;
    font-size: 0.85rem;
    color: var(--tool-text-dark);
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.btn-text-action:hover {
    background: #f1f5f9;
    border-color: #cbd5e1;
}

/* Social Media Progress */
.social-progress-row {
    margin-bottom: 0.5rem;
}

.social-progress-row span {
    font-size: 0.9rem;
    font-weight: 500;
}

.progress {
    background-color: #e2e8f0;
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar {
    background-color: var(--tool-primary);
    transition: width 0.3s ease;
}

.progress-bar.bg-danger {
    background-color: #ef4444 !important;
}

.text-danger {
    color: #ef4444 !important;
}

/* Readability Stats */
.readability-stat {
    background: #f8fafc;
    border-radius: 12px;
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    height: 100%;
}

.stat-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #e0e7ff;
    color: var(--tool-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.stat-details {
    display: flex;
    flex-direction: column;
}

.readability-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--tool-text-dark);
    line-height: 1.2;
}

.readability-label {
    font-weight: 500;
}

/* ──────────────── Accessibility ──────────────── */

/* Bootstrap btn-outline-primary (#0d6efd) fails WCAG AA 4.5:1 contrast on white.
   Override to #0054a3 which achieves ~7:1 ratio on white backgrounds. */
.btn-outline-primary {
    --bs-btn-color: #0054a3;
    --bs-btn-border-color: #0054a3;
    --bs-btn-hover-bg: #0054a3;
    --bs-btn-hover-border-color: #0054a3;
    --bs-btn-active-bg: #003d7a;
    --bs-btn-active-border-color: #003d7a;
}

:focus-visible {
    outline: 2px solid var(--tool-primary);
    outline-offset: 2px;
}

.btn:focus-visible,
.tool-action-btn:focus-visible,
a:focus-visible {
    outline: 2px solid var(--tool-primary);
    outline-offset: 2px;
}