/* CivilToolZone Calculator Frontend Styles - Version 2.1.0 */
/* Dark Modern Engineering Aesthetic matching CivilToolZone Preview */

:root {
    --ctz-bg-main: #0F1115;
    --ctz-bg-card: #16191E;
    --ctz-bg-inner: #0B0D10;
    --ctz-bg-hover: #1c2026;
    --ctz-border: #22262D;
    --ctz-border-focus: #14b8a6;
    --ctz-teal-primary: #0d9488;
    --ctz-teal-hover: #14b8a6;
    --ctz-teal-accent: #2dd4bf;
    --ctz-teal-glow: rgba(20, 184, 166, 0.25);
    --ctz-text-primary: #f8fafc;
    --ctz-text-secondary: #94a3b8;
    --ctz-text-muted: #64748b;
    --ctz-font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --ctz-font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

/* Base Isolation Container */
body .ctz-page-container,
body .ctz-embedded-tool {
    width: 100% !important;
    max-width: 1200px !important;
    margin: 0 auto !important;
    padding: 24px 16px 64px 16px !important;
    font-family: var(--ctz-font-sans) !important;
    color: var(--ctz-text-primary) !important;
    box-sizing: border-box !important;
    line-height: 1.6 !important;
}

body .ctz-page-container *,
body .ctz-page-container *::before,
body .ctz-page-container *::after,
body .ctz-embedded-tool *,
body .ctz-embedded-tool *::before,
body .ctz-embedded-tool *::after {
    box-sizing: border-box !important;
}

/* Breadcrumb Navigation */
.ctz-breadcrumb {
    font-family: var(--ctz-font-mono) !important;
    font-size: 12px !important;
    color: var(--ctz-text-muted) !important;
    margin-bottom: 24px !important;
    display: flex !important;
    flex-wrap: wrap !important;
    align-items: center !important;
    gap: 8px !important;
}
.ctz-breadcrumb a {
    color: var(--ctz-text-secondary) !important;
    text-decoration: none !important;
    transition: color 0.15s ease !important;
}
.ctz-breadcrumb a:hover {
    color: var(--ctz-teal-accent) !important;
}
.ctz-breadcrumb .ctz-sep {
    color: var(--ctz-border) !important;
}
.ctz-breadcrumb .ctz-current {
    color: var(--ctz-teal-accent) !important;
    font-weight: 600 !important;
}

/* Tool Header */
.ctz-tool-header {
    margin-bottom: 28px !important;
}
.ctz-pill-row {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    margin-bottom: 12px !important;
}
.ctz-pill-cat {
    padding: 3px 10px !important;
    font-size: 11px !important;
    font-weight: 700 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.05em !important;
    border-radius: 4px !important;
    background: rgba(13, 148, 136, 0.25) !important;
    color: var(--ctz-teal-accent) !important;
    border: 1px solid rgba(20, 184, 166, 0.4) !important;
    font-family: var(--ctz-font-mono) !important;
}
.ctz-pill-type {
    padding: 3px 10px !important;
    font-size: 11px !important;
    font-weight: 600 !important;
    text-transform: capitalize !important;
    border-radius: 4px !important;
    background: #1A1E24 !important;
    color: #cbd5e1 !important;
    border: 1px solid var(--ctz-border) !important;
    font-family: var(--ctz-font-mono) !important;
}
.ctz-tool-title {
    font-family: var(--ctz-font-mono) !important;
    font-size: clamp(24px, 4vw, 36px) !important;
    font-weight: 800 !important;
    color: #ffffff !important;
    letter-spacing: -0.02em !important;
    line-height: 1.2 !important;
    margin: 0 0 10px 0 !important;
}
.ctz-tool-tagline {
    font-size: 15px !important;
    color: var(--ctz-text-secondary) !important;
    line-height: 1.6 !important;
    margin: 0 !important;
    max-width: 840px !important;
}

/* Privacy & Verification Badge */
.ctz-privacy-badge {
    margin-top: 14px !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 8px !important;
    padding: 6px 14px !important;
    border-radius: 9999px !important;
    background: rgba(6, 78, 59, 0.4) !important;
    border: 1px solid rgba(16, 185, 129, 0.45) !important;
    color: #6ee7b7 !important;
    font-size: 12px !important;
    font-weight: 500 !important;
}
.ctz-shield-icon {
    color: #34d399 !important;
    flex-shrink: 0 !important;
}

/* Calculator & App Box (2-Column Grid: Form Left 7fr, Sticky Output Right 5fr) */
.ctz-calculator-box {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 24px !important;
    align-items: start !important;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    margin-bottom: 32px !important;
}

@media (min-width: 992px) {
    .ctz-calculator-box {
        grid-template-columns: 7fr 5fr !important;
        gap: 28px !important;
    }
}

.ctz-calculator-form {
    background: var(--ctz-bg-card) !important;
    border: 1px solid var(--ctz-border) !important;
    border-radius: 12px !important;
    padding: 24px !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25) !important;
}

.ctz-form-header {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding-bottom: 16px !important;
    margin-bottom: 20px !important;
    border-bottom: 1px solid var(--ctz-border) !important;
}

.ctz-form-title {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    font-family: var(--ctz-font-mono) !important;
    font-size: 15px !important;
    font-weight: 700 !important;
    color: #ffffff !important;
}

.ctz-icon-calc {
    color: var(--ctz-teal-accent) !important;
}

.ctz-btn-link {
    background: none !important;
    border: none !important;
    color: var(--ctz-text-muted) !important;
    font-family: var(--ctz-font-mono) !important;
    font-size: 12px !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
    padding: 4px 8px !important;
    border-radius: 6px !important;
    transition: color 0.15s ease, background-color 0.15s ease !important;
}
.ctz-btn-link:hover {
    color: var(--ctz-teal-accent) !important;
    background-color: rgba(20, 184, 166, 0.08) !important;
}

/* Input Fields & Forms */
.ctz-form-grid {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 16px !important;
}

@media (min-width: 640px) {
    .ctz-form-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    .ctz-form-grid-3 {
        display: grid !important;
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 16px !important;
    }
}

.ctz-field-group {
    display: flex !important;
    flex-direction: column !important;
}

.ctz-label {
    font-family: var(--ctz-font-mono) !important;
    font-size: 11px !important;
    font-weight: 700 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.05em !important;
    color: var(--ctz-text-secondary) !important;
    margin-bottom: 8px !important;
}

.ctz-input,
.ctz-select {
    width: 100% !important;
    height: 44px !important;
    padding: 10px 14px !important;
    font-family: var(--ctz-font-mono) !important;
    font-size: 14px !important;
    color: #ffffff !important;
    background-color: var(--ctz-bg-inner) !important;
    border: 1px solid var(--ctz-border) !important;
    border-radius: 8px !important;
    outline: none !important;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease !important;
    -webkit-appearance: none !important;
    appearance: none !important;
}

.ctz-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-position: right 14px center !important;
    padding-right: 38px !important;
    cursor: pointer !important;
}

.ctz-select option {
    background-color: #16191E !important;
    color: #ffffff !important;
}

.ctz-input:hover,
.ctz-select:hover {
    border-color: #334155 !important;
}

.ctz-input:focus,
.ctz-select:focus {
    border-color: var(--ctz-border-focus) !important;
    background-color: #0b0d10 !important;
    box-shadow: 0 0 0 3px var(--ctz-teal-glow) !important;
}

.ctz-help-text {
    font-size: 11px !important;
    color: var(--ctz-text-muted) !important;
    margin-top: 5px !important;
}

.ctz-form-actions {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    margin-top: 24px !important;
    padding-top: 18px !important;
    border-top: 1px solid var(--ctz-border) !important;
}

.ctz-btn-primary {
    background: var(--ctz-teal-primary) !important;
    color: #ffffff !important;
    border: 1px solid var(--ctz-teal-hover) !important;
    border-radius: 8px !important;
    padding: 10px 20px !important;
    font-family: var(--ctz-font-mono) !important;
    font-size: 13px !important;
    font-weight: 700 !important;
    cursor: pointer !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 8px !important;
    transition: all 0.2s ease !important;
    box-shadow: 0 2px 8px rgba(13, 148, 136, 0.3) !important;
}
.ctz-btn-primary:hover {
    background: var(--ctz-teal-hover) !important;
    transform: translateY(-1px) !important;
    box-shadow: 0 4px 12px rgba(20, 184, 166, 0.4) !important;
}

.ctz-btn-secondary {
    background: #1A1E24 !important;
    color: #cbd5e1 !important;
    border: 1px solid var(--ctz-border) !important;
    border-radius: 8px !important;
    padding: 10px 16px !important;
    font-family: var(--ctz-font-mono) !important;
    font-size: 13px !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 6px !important;
    transition: all 0.2s ease !important;
}
.ctz-btn-secondary:hover {
    background: #22262D !important;
    color: #ffffff !important;
    border-color: #334155 !important;
}

/* Results Display Box */
.ctz-results-card {
    background: var(--ctz-bg-card) !important;
    border: 1px solid rgba(20, 184, 166, 0.4) !important;
    border-radius: 12px !important;
    padding: 24px !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45) !important;
    position: sticky !important;
    top: 24px !important;
}

.ctz-results-header {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    margin-bottom: 18px !important;
    padding-bottom: 12px !important;
    border-bottom: 1px solid var(--ctz-border) !important;
}

.ctz-results-badge {
    font-family: var(--ctz-font-mono) !important;
    font-size: 11px !important;
    font-weight: 800 !important;
    letter-spacing: 0.08em !important;
    color: var(--ctz-teal-accent) !important;
    text-transform: uppercase !important;
}

.ctz-results-tools {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
}

.ctz-tool-btn {
    background: #1A1E24 !important;
    border: 1px solid var(--ctz-border) !important;
    color: var(--ctz-text-secondary) !important;
    padding: 5px 10px !important;
    border-radius: 6px !important;
    font-family: var(--ctz-font-mono) !important;
    font-size: 11px !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 5px !important;
    transition: all 0.15s ease !important;
}
.ctz-tool-btn:hover {
    background: #22262D !important;
    color: #ffffff !important;
    border-color: #334155 !important;
}

/* Primary Hero Result Output */
.ctz-hero-result {
    background: var(--ctz-bg-inner) !important;
    border: 1px solid rgba(20, 184, 166, 0.45) !important;
    border-radius: 12px !important;
    padding: 24px 20px !important;
    text-align: center !important;
    margin-bottom: 20px !important;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.6), 0 0 24px rgba(20, 184, 166, 0.1) !important;
    position: relative !important;
}

.ctz-hero-label {
    font-family: var(--ctz-font-mono) !important;
    font-size: 11px !important;
    font-weight: 700 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.08em !important;
    color: var(--ctz-teal-accent) !important;
    margin-bottom: 6px !important;
}

.ctz-hero-value {
    font-family: var(--ctz-font-mono) !important;
    font-size: clamp(32px, 5vw, 44px) !important;
    font-weight: 800 !important;
    color: #ffffff !important;
    line-height: 1.15 !important;
    letter-spacing: -0.02em !important;
}

.ctz-hero-unit {
    font-family: var(--ctz-font-mono) !important;
    font-size: clamp(16px, 2.5vw, 22px) !important;
    font-weight: 700 !important;
    color: var(--ctz-teal-accent) !important;
    margin-left: 6px !important;
}

/* Secondary Values Grid */
.ctz-secondary-grid {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 12px !important;
    margin-bottom: 20px !important;
}

@media (min-width: 640px) {
    .ctz-secondary-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

.ctz-sec-card {
    background: var(--ctz-bg-card) !important;
    border: 1px solid var(--ctz-border) !important;
    border-radius: 8px !important;
    padding: 12px 16px !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    transition: border-color 0.15s ease !important;
}

.ctz-sec-card.ctz-sec-highlight {
    border-color: rgba(20, 184, 166, 0.45) !important;
    background: rgba(20, 184, 166, 0.06) !important;
}

.ctz-sec-label {
    font-family: var(--ctz-font-mono) !important;
    font-size: 11px !important;
    color: var(--ctz-text-secondary) !important;
    font-weight: 500 !important;
}

.ctz-sec-val {
    font-family: var(--ctz-font-mono) !important;
    font-size: 14px !important;
    color: #ffffff !important;
    font-weight: 700 !important;
}

.ctz-sec-highlight .ctz-sec-val {
    color: var(--ctz-teal-accent) !important;
}

/* Step-by-Step Calculation Breakdown */
.ctz-math-steps {
    background: var(--ctz-bg-inner) !important;
    border: 1px solid var(--ctz-border) !important;
    border-radius: 8px !important;
    padding: 16px !important;
    margin-bottom: 16px !important;
}

.ctz-math-title {
    font-family: var(--ctz-font-mono) !important;
    font-size: 12px !important;
    font-weight: 700 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.05em !important;
    color: var(--ctz-text-secondary) !important;
    margin-bottom: 10px !important;
}

.ctz-math-list {
    margin: 0 !important;
    padding: 0 !important;
    list-style: none !important;
    font-family: var(--ctz-font-mono) !important;
    font-size: 12px !important;
    color: #cbd5e1 !important;
    line-height: 1.7 !important;
}

.ctz-math-list li {
    padding: 6px 0 !important;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.07) !important;
    word-break: break-word !important;
}
.ctz-math-list li:last-child {
    border-bottom: none !important;
}

/* Content Cards & Sections (Formula, Guide, FAQs) */
.ctz-content-card {
    background: var(--ctz-bg-card) !important;
    border: 1px solid var(--ctz-border) !important;
    border-radius: 12px !important;
    padding: 24px !important;
    margin-bottom: 24px !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25) !important;
}

.ctz-section-heading {
    font-family: var(--ctz-font-mono) !important;
    font-size: 17px !important;
    font-weight: 700 !important;
    color: #ffffff !important;
    margin: 0 0 16px 0 !important;
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    letter-spacing: -0.01em !important;
}

.ctz-formula-box {
    background: var(--ctz-bg-inner) !important;
    border: 1px solid var(--ctz-border) !important;
    border-radius: 8px !important;
    padding: 16px 20px !important;
    font-family: var(--ctz-font-mono) !important;
    font-size: 14px !important;
    color: var(--ctz-teal-accent) !important;
    overflow-x: auto !important;
    white-space: pre-wrap !important;
    line-height: 1.6 !important;
}

.ctz-guide-body {
    font-size: 14px !important;
    line-height: 1.75 !important;
    color: var(--ctz-text-secondary) !important;
}

.ctz-guide-body p {
    margin-bottom: 14px !important;
}

.ctz-guide-body h2,
.ctz-guide-body h3,
.ctz-guide-body h4 {
    font-family: var(--ctz-font-mono) !important;
    color: #ffffff !important;
    margin-top: 20px !important;
    margin-bottom: 10px !important;
}

.ctz-guide-body ul,
.ctz-guide-body ol {
    margin: 0 0 16px 0 !important;
    padding-left: 24px !important;
}

.ctz-guide-body li {
    margin-bottom: 6px !important;
}

/* FAQ Accordion */
.ctz-faq-accordion {
    display: flex !important;
    flex-direction: column !important;
    gap: 10px !important;
}

.ctz-faq-item {
    background: var(--ctz-bg-inner) !important;
    border: 1px solid var(--ctz-border) !important;
    border-radius: 8px !important;
    overflow: hidden !important;
    transition: border-color 0.15s ease !important;
}

.ctz-faq-item:hover {
    border-color: #334155 !important;
}

.ctz-faq-question {
    padding: 14px 18px !important;
    font-family: var(--ctz-font-mono) !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    color: #ffffff !important;
    background: var(--ctz-bg-inner) !important;
    cursor: pointer !important;
    user-select: none !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    transition: background 0.15s ease !important;
}

.ctz-faq-question:hover {
    background: var(--ctz-bg-hover) !important;
    color: var(--ctz-teal-accent) !important;
}

.ctz-faq-answer {
    padding: 14px 18px !important;
    font-size: 13px !important;
    color: var(--ctz-text-secondary) !important;
    line-height: 1.65 !important;
    background: var(--ctz-bg-card) !important;
    border-top: 1px solid var(--ctz-border) !important;
}

/* Sidebar Widgets */
.ctz-sidebar-card {
    background: var(--ctz-bg-card) !important;
    border: 1px solid var(--ctz-border) !important;
    border-radius: 12px !important;
    padding: 20px !important;
    margin-bottom: 20px !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2) !important;
}

.ctz-sidebar-title {
    font-family: var(--ctz-font-mono) !important;
    font-size: 14px !important;
    font-weight: 700 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.05em !important;
    color: #ffffff !important;
    margin: 0 0 14px 0 !important;
    padding-bottom: 10px !important;
    border-bottom: 1px solid var(--ctz-border) !important;
}

.ctz-related-list {
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
}

.ctz-related-list li {
    margin-bottom: 6px !important;
}

.ctz-related-list a {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    padding: 9px 12px !important;
    border-radius: 6px !important;
    color: var(--ctz-text-secondary) !important;
    text-decoration: none !important;
    font-size: 13px !important;
    font-family: var(--ctz-font-mono) !important;
    transition: all 0.15s ease !important;
}

.ctz-related-list a:hover {
    background: var(--ctz-bg-hover) !important;
    color: var(--ctz-teal-accent) !important;
}

.ctz-btn-secondary {
    display: block !important;
    text-align: center !important;
    background: var(--ctz-bg-inner) !important;
    border: 1px solid var(--ctz-border) !important;
    color: var(--ctz-text-secondary) !important;
    padding: 10px 14px !important;
    border-radius: 8px !important;
    font-size: 12px !important;
    font-family: var(--ctz-font-mono) !important;
    font-weight: 700 !important;
    text-decoration: none !important;
    margin-top: 14px !important;
    transition: all 0.15s ease !important;
}

.ctz-btn-secondary:hover {
    background: var(--ctz-bg-hover) !important;
    border-color: #334155 !important;
    color: #ffffff !important;
}

/* Engineering Disclaimer Widget */
.ctz-disclaimer-card {
    background: rgba(245, 158, 11, 0.05) !important;
    border-color: rgba(245, 158, 11, 0.25) !important;
}

.ctz-disclaimer-title {
    font-family: var(--ctz-font-mono) !important;
    font-size: 12px !important;
    font-weight: 700 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.05em !important;
    color: #fbbf24 !important;
    margin: 0 0 8px 0 !important;
    border-bottom-color: rgba(245, 158, 11, 0.15) !important;
}

.ctz-disclaimer-card p {
    font-size: 12px !important;
    color: #d1d5db !important;
    line-height: 1.6 !important;
    margin: 0 !important;
}

/* Master Directory Page (/tools/) */
.ctz-directory-hero {
    text-align: center !important;
    max-width: 860px !important;
    margin: 0 auto 36px auto !important;
}

.ctz-directory-title {
    font-family: var(--ctz-font-mono) !important;
    font-size: clamp(28px, 4.5vw, 42px) !important;
    font-weight: 800 !important;
    color: #ffffff !important;
    letter-spacing: -0.02em !important;
    margin: 0 0 12px 0 !important;
    line-height: 1.2 !important;
}

.ctz-directory-desc {
    font-size: 15px !important;
    color: var(--ctz-text-secondary) !important;
    margin: 0 0 28px 0 !important;
    line-height: 1.65 !important;
}

/* Live Search Box */
.ctz-search-box {
    position: relative !important;
    max-width: 680px !important;
    margin: 0 auto 24px auto !important;
}

.ctz-search-input {
    width: 100% !important;
    height: 48px !important;
    padding: 10px 20px 10px 48px !important;
    font-family: var(--ctz-font-mono) !important;
    font-size: 14px !important;
    color: #ffffff !important;
    background-color: var(--ctz-bg-inner) !important;
    border: 1px solid var(--ctz-border) !important;
    border-radius: 12px !important;
    outline: none !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3) !important;
    transition: all 0.2s ease !important;
}

.ctz-search-input:focus {
    border-color: var(--ctz-border-focus) !important;
    box-shadow: 0 0 0 3px var(--ctz-teal-glow), 0 4px 12px rgba(0, 0, 0, 0.4) !important;
}

.ctz-search-input::placeholder {
    color: var(--ctz-text-muted) !important;
}

.ctz-search-icon {
    position: absolute !important;
    left: 16px !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    color: var(--ctz-text-muted) !important;
    pointer-events: none !important;
}

/* Category Filter Pills */
.ctz-category-pills {
    display: flex !important;
    flex-wrap: wrap !important;
    justify-content: center !important;
    gap: 8px !important;
    margin-bottom: 32px !important;
}

.ctz-pill {
    background: var(--ctz-bg-inner) !important;
    color: var(--ctz-text-secondary) !important;
    border: 1px solid var(--ctz-border) !important;
    padding: 8px 16px !important;
    border-radius: 8px !important;
    font-family: var(--ctz-font-mono) !important;
    font-size: 12px !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    transition: all 0.15s ease !important;
    user-select: none !important;
}

.ctz-pill:hover {
    background: var(--ctz-bg-hover) !important;
    color: #ffffff !important;
    border-color: #334155 !important;
}

.ctz-pill.active {
    background: var(--ctz-teal-primary) !important;
    color: #ffffff !important;
    border-color: var(--ctz-teal-hover) !important;
    box-shadow: 0 2px 10px rgba(13, 148, 136, 0.4) !important;
}

/* Tools Catalog Grid */
.ctz-tools-catalog {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 24px !important;
    width: 100% !important;
}

@media (min-width: 640px) {
    .ctz-tools-catalog {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

@media (min-width: 1024px) {
    .ctz-tools-catalog {
        grid-template-columns: repeat(3, 1fr) !important;
    }
}

/* Tool Card */
.ctz-tool-card {
    background: var(--ctz-bg-card) !important;
    border: 1px solid var(--ctz-border) !important;
    border-radius: 12px !important;
    padding: 24px !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: space-between !important;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3) !important;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease !important;
}

.ctz-tool-card:hover {
    transform: translateY(-3px) !important;
    border-color: rgba(20, 184, 166, 0.5) !important;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.45) !important;
}

.ctz-card-top {
    display: flex !important;
    flex-direction: column !important;
}

.ctz-card-badge {
    align-self: flex-start !important;
    font-family: var(--ctz-font-mono) !important;
    font-size: 11px !important;
    font-weight: 700 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.05em !important;
    color: var(--ctz-teal-accent) !important;
    background: rgba(20, 184, 166, 0.12) !important;
    border: 1px solid rgba(20, 184, 166, 0.25) !important;
    padding: 3px 8px !important;
    border-radius: 6px !important;
    margin-bottom: 12px !important;
}

.ctz-card-title {
    font-family: var(--ctz-font-mono) !important;
    font-size: 17px !important;
    font-weight: 700 !important;
    margin: 0 0 8px 0 !important;
    line-height: 1.35 !important;
}

.ctz-card-title a {
    color: #ffffff !important;
    text-decoration: none !important;
    transition: color 0.15s ease !important;
}

.ctz-card-title a:hover {
    color: var(--ctz-teal-accent) !important;
}

.ctz-card-tagline {
    font-size: 13px !important;
    color: var(--ctz-text-secondary) !important;
    line-height: 1.55 !important;
    margin: 0 0 16px 0 !important;
    flex: 1 !important;
}

.ctz-card-formula {
    background: var(--ctz-bg-inner) !important;
    border: 1px solid var(--ctz-border) !important;
    border-radius: 6px !important;
    padding: 8px 12px !important;
    margin-bottom: 18px !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    white-space: nowrap !important;
}

.ctz-card-formula code {
    font-family: var(--ctz-font-mono) !important;
    font-size: 11px !important;
    color: #5eead4 !important;
}

.ctz-card-footer {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    border-top: 1px solid var(--ctz-border) !important;
    padding-top: 14px !important;
    margin-top: auto !important;
}

.ctz-card-type {
    font-family: var(--ctz-font-mono) !important;
    font-size: 10px !important;
    font-weight: 700 !important;
    color: var(--ctz-text-muted) !important;
    letter-spacing: 0.05em !important;
}

.ctz-card-btn {
    font-family: var(--ctz-font-mono) !important;
    font-size: 12px !important;
    font-weight: 700 !important;
    color: var(--ctz-teal-accent) !important;
    text-decoration: none !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 4px !important;
    transition: gap 0.2s ease !important;
}

.ctz-card-btn:hover {
    gap: 8px !important;
    color: #5eead4 !important;
}

/* Master Unit Converter Hub View */
.ctz-unit-hub-page {
    max-width: 980px !important;
}

.ctz-converter-tabs-bar {
    display: flex !important;
    background: var(--ctz-bg-inner) !important;
    border-bottom: 1px solid var(--ctz-border) !important;
    overflow-x: auto !important;
    scrollbar-width: thin !important;
}

.ctz-converter-tab {
    font-family: var(--ctz-font-mono) !important;
    font-size: 12px !important;
    font-weight: 700 !important;
    padding: 14px 18px !important;
    border: none !important;
    background: transparent !important;
    color: var(--ctz-text-secondary) !important;
    cursor: pointer !important;
    white-space: nowrap !important;
    border-bottom: 2px solid transparent !important;
    transition: all 0.15s ease !important;
    user-select: none !important;
}

.ctz-converter-tab:hover {
    color: #ffffff !important;
    background: rgba(255, 255, 255, 0.03) !important;
}

.ctz-converter-tab.active {
    background: var(--ctz-bg-card) !important;
    color: var(--ctz-teal-accent) !important;
    border-bottom-color: var(--ctz-teal-primary) !important;
}

.ctz-formula-code {
    font-family: var(--ctz-font-mono) !important;
    font-size: 13px !important;
    color: var(--ctz-teal-accent) !important;
    background: var(--ctz-bg-card) !important;
    border: 1px solid var(--ctz-border) !important;
    border-radius: 6px !important;
    padding: 10px 14px !important;
    word-break: break-word !important;
}

/* Loading Spinner & Empty State */
.ctz-loading-card {
    text-align: center !important;
    padding: 48px 24px !important;
    color: var(--ctz-text-secondary) !important;
    font-family: var(--ctz-font-mono) !important;
    font-size: 13px !important;
}

.ctz-spinner {
    width: 36px !important;
    height: 36px !important;
    border: 3px solid var(--ctz-border) !important;
    border-top-color: var(--ctz-teal-accent) !important;
    border-radius: 50% !important;
    margin: 0 auto 16px auto !important;
    animation: ctz-spin 0.8s linear infinite !important;
}

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

.ctz-no-results,
.ctz-empty-state {
    text-align: center !important;
    padding: 48px 24px !important;
    background: var(--ctz-bg-card) !important;
    border: 1px solid var(--ctz-border) !important;
    border-radius: 12px !important;
    color: var(--ctz-text-secondary) !important;
    font-family: var(--ctz-font-mono) !important;
    font-size: 14px !important;
    margin: 24px 0 !important;
}

/* Print Stylesheet */
@media print {
    body {
        background: #ffffff !important;
        color: #000000 !important;
    }
    .ctz-breadcrumb,
    .ctz-ad-slot,
    .ctz-sidebar,
    .ctz-results-tools,
    .ctz-form-actions,
    .ctz-btn-link,
    header,
    footer,
    nav {
        display: none !important;
    }
    .ctz-calculator-box {
        display: block !important;
    }
    .ctz-calculator-form,
    .ctz-results-card,
    .ctz-content-card {
        border: 1px solid #ccc !important;
        background: #fff !important;
        color: #000 !important;
        box-shadow: none !important;
    }
    .ctz-hero-value,
    .ctz-hero-label,
    .ctz-sec-val,
    .ctz-tool-title {
        color: #000 !important;
    }
}