/* Specific Calculator Styles */

.calculator-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    align-items: start;
    width: 100%;
}

@media (min-width: 900px) {
    .calculator-layout {
        grid-template-columns: minmax(380px, 1fr) minmax(380px, 1fr);
        gap: 2rem;
    }
}
.glass-panel {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.6) 0%, rgba(15, 23, 42, 0.8) 100%);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 1rem;
    padding: 1rem;
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.3);
}

@media (min-width: 900px) {
    .glass-panel {
        padding: 2rem;
    }
}

[data-theme='light'] .glass-panel {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0.4) 100%);
    border-color: rgba(0, 0, 0, 0.05);
    border-top: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow:
        0 20px 40px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.8),
        inset 0 -1px 0 rgba(0, 0, 0, 0.05);
}

/* UI Controls Framework */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

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

.calc-input {
    width: 100%;
    padding: 0.9rem 1.2rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(0, 0, 0, 0.2);
    color: var(--text-primary);
    font-size: 1.1rem;
    font-family: inherit;
    outline: none;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: inset 0 3px 6px rgba(0, 0, 0, 0.3), 0 1px 0 rgba(255, 255, 255, 0.05);
}

[data-theme='light'] .calc-input {
    background: rgba(0, 0, 0, 0.03);
    border-color: rgba(0, 0, 0, 0.1);
    box-shadow: inset 0 3px 6px rgba(0, 0, 0, 0.08), 0 1px 0 rgba(255, 255, 255, 0.8);
}

.calc-input:focus {
    border-color: var(--accent-primary);
    background: rgba(0, 0, 0, 0.3);
    box-shadow:
        inset 0 3px 8px rgba(0, 0, 0, 0.4),
        0 0 0 4px rgba(59, 130, 246, 0.25),
        0 1px 0 rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

[data-theme='light'] .calc-input:focus {
    background: #fff;
    box-shadow:
        inset 0 2px 4px rgba(0, 0, 0, 0.05),
        0 0 0 4px rgba(59, 130, 246, 0.2),
        0 2px 10px rgba(0, 0, 0, 0.05);
}

/* For prefix/suffix like $ or % */
.calc-input.has-prefix {
    padding-left: 2.2rem;
}

.calc-input.has-suffix {
    padding-right: 2.5rem;
}

.input-prefix {
    position: absolute;
    left: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
    pointer-events: none;
}

.input-suffix {
    position: absolute;
    right: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
    pointer-events: none;
}

/* Primary Button 3D */
.btn-primary {
    width: 100%;
    padding: 0.75rem 1rem;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: white;
    border: none;
    border-radius: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s var(--smooth-ease);
    box-shadow: 0 10px 25px -5px rgba(59, 130, 246, 0.4);
    margin-top: 1rem;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 44px; /* Mobile tap target */
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(to right, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.3) 50%, rgba(255, 255, 255, 0) 100%);
    transform: skewX(-25deg);
    transition: all 0.6s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px -5px rgba(59, 130, 246, 0.5);
}

.btn-primary:hover::after {
    left: 150%;
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 5px 15px -5px rgba(59, 130, 246, 0.4);
}

/* Result Styles */
.result-block {
    margin-bottom: 2rem;
}

.result-label {
    font-size: 0.95rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.result-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent-primary);
    line-height: 1.2;
    overflow-wrap: break-word;
    word-break: break-word;
}

.result-subtext {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.result-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
    margin-top: 2rem;
}

@media (min-width: 600px) {
    .result-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .result-value {
        font-size: 1.6rem;
    }
}

.button-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
}

@media (min-width: 600px) {
    .button-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

/* Radio/Toggle Groups */
.toggle-group {
    display: flex;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 0.5rem;
    padding: 0.25rem;
    gap: 0.25rem;
}

[data-theme='light'] .toggle-group {
    background: rgba(0, 0, 0, 0.05);
}

.toggle-group label {
    margin: 0;
    flex: 1;
}

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

.toggle-group .toggle-btn {
    display: block;
    text-align: center;
    padding: 0.6rem;
    border-radius: 0.25rem;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.toggle-group input[type="radio"]:checked+.toggle-btn {
    background: var(--glass-bg);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    color: var(--text-primary);
    font-weight: 500;
}

/* Tool Content Sections (Explanation, Formula, Example, FAQ) */
.calc-details-container {
    margin-top: 0rem;
    margin-bottom: 4rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 100%;
    width: 100%;
    padding: 0 2rem;
}

@media (max-width: 768px) {
    .calc-details-container {
        padding: 0 0.75rem;
        margin-top: 0;
    }
}

.calc-details-section {
    position: relative;
    padding: 1.75rem 2rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 1.5rem;
    box-shadow: var(--card-shadow);
    transition: all 0.4s var(--smooth-ease);
    overflow: hidden;
}

.calc-details-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(to right, var(--accent-primary), var(--accent-highlight));
    opacity: 0.7;
}

.calc-details-section:hover {
    transform: translateY(-5px);
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
}

.calc-details-section h2 {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    letter-spacing: -0.01em;
}

.calc-details-section h2 i,
.calc-details-section h2 svg {
    color: var(--accent-secondary);
    width: 28px;
    height: 28px;
    filter: drop-shadow(0 0 8px rgba(34, 197, 94, 0.4));
}

.calc-details-content {
    line-height: 1.7;
    color: var(--text-primary);
    font-size: 1rem;
}

.calc-details-content p {
    margin-bottom: 1.5rem;
}

.formula-card {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(0, 242, 254, 0.05) 100%);
    border: 1px dashed rgba(59, 130, 246, 0.4);
    border-radius: 1.25rem;
    padding: 2rem 1.5rem;
    font-size: 1rem;
    color: var(--text-secondary);
    text-align: left;
    margin: 1.25rem 0;
    position: relative;
    box-shadow: inset 0 0 20px rgba(59, 130, 246, 0.1);
    line-height: 1.6;
    font-family: inherit !important;
    font-weight: 400 !important;
}

.formula-card * {
    font-family: inherit !important;
    font-weight: inherit !important;
    font-size: inherit !important;
}

[data-theme='dark'] .formula-card {
    color: var(--accent-highlight);
}

.formula-card::after {
    content: 'TECHNICAL FORMULA';
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 0.6rem;
    letter-spacing: 0.2em;
    opacity: 0.4;
    color: var(--text-secondary);
}

.example-box {
    background: rgba(34, 197, 94, 0.05);
    border-left: 4px solid var(--accent-secondary);
    border-radius: 0.5rem 1.25rem 1.25rem 0.5rem;
    padding: 1.5rem;
    margin: 1.5rem 0;
    position: relative;
    color: var(--text-secondary);
    line-height: 1.6;
    font-family: inherit !important;
    font-weight: 400 !important;
}

.example-box * {
    font-family: inherit !important;
    font-weight: inherit !important;
    font-size: inherit !important;
}

.example-box::before {
    content: 'SCENARIO';
    position: absolute;
    top: -10px;
    left: 20px;
    background: var(--accent-secondary);
    color: white;
    padding: 0.2rem 0.8rem;
    font-size: 0.6rem;
    border-radius: 4px;
    font-style: normal;
}

.faq-item {
    margin-bottom: 1.25rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    padding: 1.25rem 1.5rem;
    transition: all 0.3s ease;
}

.faq-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-primary);
    transform: translateX(10px);
}

.faq-question {
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.faq-question::before {
    content: 'Q:';
    color: var(--accent-primary);
    font-size: 1.2rem;
}

.faq-answer {
    color: var(--text-primary);
    padding-left: 2.2rem;
    border-left: 2px solid rgba(59, 130, 246, 0.2);
}

/* Accordion Styles for Educational Content */
.calc-details-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 0rem;
    margin-bottom: 4rem;
    max-width: 100%;
    width: 100%;
    padding: 0 2rem;
}

.accordion-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.accordion-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(59, 130, 246, 0.3);
}

.accordion-header {
    width: 100%;
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    text-align: left;
    transition: background 0.3s ease;
}

.accordion-header h2 {
    font-size: 1.15rem;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.accordion-header i {
    color: var(--accent-primary);
    width: 20px;
    height: 20px;
}

.chevron-icon {
    transition: transform 0.3s ease;
    color: var(--text-secondary);
}

.accordion-item.active .chevron-icon {
    transform: rotate(180deg);
    color: var(--accent-primary);
}

.accordion-item.active {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(59, 130, 246, 0.5);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.3);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    padding: 0 1.5rem;
}

.accordion-item.active .accordion-content {
    max-height: 2000px; /* Large enough to fit content */
    opacity: 1;
    padding: 0 1.5rem 1.5rem 1.5rem;
    border-top: 1px solid var(--glass-border);
}

.accordion-content p, 
.accordion-content div, 
.accordion-content span, 
.accordion-content strong,
.accordion-content b,
.accordion-content code,
.accordion-content pre,
.accordion-content i,
.accordion-content em {
    font-family: var(--font-main) !important;
    font-weight: 400 !important;
    font-style: normal !important;
    color: var(--text-secondary) !important;
    text-decoration: none !important;
}

.faq-question {
    font-weight: 400 !important;
    font-family: var(--font-main) !important;
}

.faq-answer {
    color: var(--text-secondary);
    padding-left: 2.2rem;
    border-left: 2px solid rgba(59, 130, 246, 0.2);
    font-weight: 400 !important;
}

@media (max-width: 768px) {
    .accordion-header {
        padding: 1rem;
    }
    
    .accordion-header h2 {
        font-size: 1rem;
    }

    .accordion-content {
        padding: 0 1rem;
    }

    .accordion-item.active .accordion-content {
        padding: 0 1rem 1.25rem 1rem;
    }
}