/* ================================================
   Calcuvo - Calculator Tool Styles
   Color Scheme: #332353 (purple) | #84BD5A (green)
   ================================================ */

/* ---- Shared Calculator Layout ---- */
.calc-page-section {
    padding: 120px 0 60px;
    background: #f8f9fa;
    min-height: 100vh;
}

.calc-page-section .container {
    max-width: 1140px;
}

.calc-tool-header {
    margin-bottom: 30px;
}

.calc-tool-header h1 {
    font-size: 32px;
    font-weight: 700;
    color: #332353;
    margin-bottom: 10px;
    position: relative;
    padding-bottom: 14px;
}

.calc-tool-header h1::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 55px;
    height: 4px;
    background: #84BD5A;
    border-radius: 4px;
}

.calc-tool-header p {
    color: #666;
    font-size: 15px;
    margin-top: 14px;
    line-height: 1.7;
}

/* ---- Card ---- */
.calc-card {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 18px rgba(51, 35, 83, 0.08);
    margin-bottom: 24px;
    padding:20px;
}

.calc-card-title {
    background: linear-gradient(135deg, #332353, #4a3475);
    color: #fff;
    padding: 22px 28px;
    border-bottom: 4px solid #84BD5A;
    font-size: 1.4rem;
    margin-bottom: 15px;
}
.calc-tab-content {
    padding:20px;
}
/* ---- Form Elements ---- */
.calc-form-group {
    margin-bottom: 18px;
}

.calc-form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #332353;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.calc-input-wrap {
    display: flex;
    align-items: stretch;
}

.calc-input-prefix,
.calc-input-suffix {
    background: #f8f9fa;
    border: 1.5px solid #dde1e7;
    min-width: 40px;
    padding: 0 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    font-weight: 600;
    color: #332353;
    z-index: 1;
}

.calc-input-prefix {
    border-right: none;
    border-radius: 7px 0 0 7px;
}

.calc-input-suffix {
    border-left: none;
    border-radius: 0 7px 7px 0;
}

.calc-input {
    flex: 1;
    width: 100%;
    height: 46px;
    border: 1.5px solid #dde1e7;
    border-radius: 7px;
    font-size: 15px;
    color: #333;
    padding: 0 14px;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: #fff;
    outline: none;
}

.calc-input-wrap .calc-input-prefix + .calc-input {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.calc-input-wrap .calc-input:has(+ .calc-input-suffix) {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.calc-input:focus {
    border-color: #84BD5A;
    box-shadow: 0 0 0 3px rgba(132, 189, 90, 0.15);
}

.calc-input.input-error {
    border-color: #e74c3c;
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.12);
}

.calc-select {
    width: 100%;
    height: 46px;
    border: 1.5px solid #dde1e7;
    border-radius: 7px;
    font-size: 15px;
    color: #333;
    padding: 0 14px;
    transition: border-color 0.2s;
    background: #fff;
    outline: none;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23666' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

.calc-select:focus {
    border-color: #84BD5A;
    box-shadow: 0 0 0 3px rgba(132, 189, 90, 0.15);
}

.calc-error-msg {
    font-size: 12px;
    color: #e74c3c;
    margin-top: 4px;
    display: none;
}

.calc-error-msg.visible {
    display: block;
}

/* ---- Radio / Toggle ---- */
.calc-radio-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.calc-radio-btn {
    flex: 1;
    min-width: 80px;
}

.calc-radio-btn input[type="radio"] {
    display: none;
}

.calc-radio-btn label {
    display: block;
    text-align: center;
    padding: 9px 12px;
    border: 1.5px solid #dde1e7;
    border-radius: 7px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    color: #555;
    text-transform: none;
    letter-spacing: 0;
    transition: all 0.2s;
    margin: 0;
    user-select: none;
}

.calc-radio-btn input[type="radio"]:checked + label {
    background: #332353;
    border-color: #332353;
    color: #fff;
    box-shadow: 0 4px 12px rgba(51, 35, 83, 0.15);
}

.calc-radio-btn label:hover {
    border-color: #84BD5A;
    color: #332353;
    background: rgba(132, 189, 90, 0.05);
}

/* ---- Buttons ---- */
.calc-btn-primary {
    background: #332353;
    color: #fff;
    border: none;
    border-radius: 7px;
    padding: 12px 30px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.15s;
    letter-spacing: 0.3px;
    margin-right: 10px;
}

.calc-btn-primary:hover {
    background: #84BD5A;
    color: #332353;
    transform: translateY(-1px);
}

.calc-btn-secondary {
    background: transparent;
    color: #332353;
    border: 1.5px solid #332353;
    border-radius: 7px;
    padding: 11px 24px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    margin-right: 10px;
}

.calc-btn-secondary:hover {
    background: #f0ebff;
    border-color: #84BD5A;
}

.calc-btn-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 8px;
    flex-wrap: wrap;
}
.log-card, .calculator-card {
    padding:20px;
}

/* ---- Results Panel ---- */
.calc-results {
    display: none;
    animation: calcFadeIn 0.35s ease;
}

.calc-results.visible {
    display: block;
}

@keyframes calcFadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

.calc-result-highlight {
    background: linear-gradient(135deg, #332353 0%, #4a3470 100%);
    border-radius: 10px;
    padding: 24px 28px;
    color: #fff;
    margin-bottom: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.calc-result-item {
    flex: 1;
    min-width: 160px;
}

.calc-result-item .result-label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    opacity: 0.75;
    margin-bottom: 4px;
}

.calc-result-item .result-value {
    font-size: 26px;
    font-weight: 700;
    color: #84BD5A;
}

.calc-result-item .result-value.small {
    font-size: 20px;
}

.calc-result-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 14px;
    margin-bottom: 20px;
}

.calc-result-box {
    background: #fff;
    border: 1px solid #e8edf3;
    border-radius: 8px;
    padding: 16px 18px;
    border-top: 3px solid #84BD5A;
}

.calc-result-box .box-label {
    font-size: 12px;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.calc-result-box .box-value {
    font-size: 20px;
    font-weight: 700;
    color: #332353;
}

/* ---- Chart / Donut ---- */
.calc-chart-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    padding: 10px 0;
}

.calc-donut-svg {
    flex-shrink: 0;
}

.calc-chart-legend {
    list-style: none;
    padding: 0;
    margin: 0;
    min-width: 160px;
}

.calc-chart-legend li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 14px;
    color: #444;
}

.calc-chart-legend li .leg-dot {
    width: 12px;
    height: 12px;
    border-radius: 3px;
    flex-shrink: 0;
}

.calc-chart-legend li .leg-val {
    font-weight: 700;
    color: #332353;
    display: block;
    font-size: 13px;
}

/* ---- Table ---- */
.calc-table-wrap {
    overflow-x: auto;
    border-radius: 8px;
    border: 1px solid #e8edf3;
    padding:20px;
}

.calc-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
    min-width: 560px;
}

.calc-table thead tr {
    background: #332353;
    color: #fff;
}

.calc-table thead th {
    padding: 11px 14px;
    text-align: right;
    font-weight: 600;
    letter-spacing: 0.3px;
    white-space: nowrap;
}

.calc-table thead th:first-child { text-align: left; }

.calc-table tbody tr:nth-child(even) { background: #f7f5ff; }
.calc-table tbody tr:hover { background: #eef9e5; }

.calc-table tbody td {
    padding: 9px 14px;
    text-align: right;
    border-bottom: 1px solid #f0f0f0;
    color: #444;
}

.calc-table tbody td:first-child {
    text-align: left;
    font-weight: 600;
    color: #332353;
}

.calc-table tfoot tr {
    background: #f0ebff;
    font-weight: 700;
}

.calc-table tfoot td {
    padding: 10px 14px;
    text-align: right;
    color: #332353;
    border-top: 2px solid #84BD5A;
}

.calc-table tfoot td:first-child { text-align: left; }

/* ---- Tab Switcher ---- */
.calc-tab-bar {
    display: flex;
    gap: 0;
    border-bottom: 2px solid #e8edf3;
    margin-bottom: 20px;
}

.calc-tab {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    color: #666;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    white-space: nowrap;
    transition: color 0.2s, border-color 0.2s;
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
    outline: none;
}

.calc-tab.active {
    color: #332353;
    border-bottom-color: #84BD5A;
}

.calc-tab:hover:not(.active) {
    color: #332353;
}

.calc-tab-content {
    display: none;
}

.calc-tab-content.active {
    display: block;
    animation: calcFadeIn 0.25s ease;
}

/* ---- Info Box ---- */
.calc-info-box {
    background: #f0f7e8;
    border-left: 4px solid #84BD5A;
    border-radius: 0 8px 8px 0;
    padding: 14px 18px;
    font-size: 14px;
    color: #444;
    margin-bottom: 18px;
    line-height: 1.7;
}

.calc-info-box strong { color: #332353; }

/* ---- Responsive ---- */
@media (max-width: 767px) {
    .calc-page-section {
        padding: 100px 0 40px;
    }

    .calc-tool-header h1 {
        font-size: 25px;
    }

    .calc-card {
        padding: 20px 16px;
    }

    .calc-result-highlight {
        padding: 18px 16px;
    }

    .calc-result-item .result-value {
        font-size: 22px;
    }

    .calc-result-grid {
        grid-template-columns: 1fr 1fr;
    }

    .calc-radio-group {
        flex-wrap: wrap;
    }

    .calc-radio-btn {
        min-width: 70px;
    }
}

@media (max-width: 480px) {
    .calc-result-grid {
        grid-template-columns: 1fr;
    }

    .calc-btn-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .calc-btn-secondary {
        margin-left: 0;
    }
}

/* ---- Area Calculator Specific ---- */
.area-shape-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 10px;
    margin-bottom: 24px;
}

.area-shape-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 14px 8px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    background: #fff;
    font-size: 13px;
    font-weight: 600;
    color: #555;
    text-align: center;
    gap: 6px;
}

.area-shape-btn svg {
    width: 36px;
    height: 36px;
    transition: all 0.2s;
}

.area-shape-btn:hover,
.area-shape-btn.active {
    border-color: #332353;
    background: #332353;
    color: #fff;
}

.area-shape-btn:hover svg path,
.area-shape-btn:hover svg rect,
.area-shape-btn:hover svg circle,
.area-shape-btn:hover svg polygon,
.area-shape-btn.active svg path,
.area-shape-btn.active svg rect,
.area-shape-btn.active svg circle,
.area-shape-btn.active svg polygon {
    stroke: #84BD5A;
}

.area-formula-box {
    background: #fafafa;
    border: 1px dashed #ccc;
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 14px;
    color: #555;
    margin-bottom: 18px;
    font-style: italic;
}

/* ---- Army BF specific ---- */
.army-bf-result-bar {
    height: 20px;
    border-radius: 10px;
    background: #e8edf3;
    margin-top: 10px;
    overflow: hidden;
}

.army-bf-result-bar-fill {
    height: 100%;
    border-radius: 10px;
    background: linear-gradient(90deg, #84BD5A, #332353);
    transition: width 0.6s ease;
    width: 0%;
}

.army-bf-category-badge {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
    color: #fff;
    margin-top: 8px;
}

.badge-excellent  { background: #2ecc71; }
.badge-good       { background: #84BD5A; }
.badge-acceptable { background: #f39c12; }
.badge-poor       { background: #e74c3c; }

/* ---- APR calc specific ---- */
.apr-fee-row {
    display: grid;
    grid-template-columns: 1fr 130px 36px;
    gap: 8px;
    align-items: center;
    margin-bottom: 8px;
}

.apr-fee-row input { margin: 0; }

.calc-add-row-btn {
    background: none;
    border: 1.5px dashed #84BD5A;
    border-radius: 7px;
    color: #84BD5A;
    font-size: 13px;
    font-weight: 600;
    padding: 7px 14px;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 6px;
}

.calc-add-row-btn:hover {
    background: #f0f7e8;
    color: #332353;
    border-color: #332353;
}

.calc-remove-btn {
    background: none;
    border: none;
    color: #ccc;
    font-size: 18px;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    transition: color 0.2s;
}

.calc-remove-btn:hover { color: #e74c3c; }

/* ---- Textarea ---- */
.calc-textarea {
    width: 100%;
    border: 1.5px solid #dde1e7;
    border-radius: 7px;
    font-size: 14px;
    color: #333;
    padding: 12px 14px;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: #fff;
    outline: none;
    resize: vertical;
    line-height: 1.6;
    font-family: inherit;
}

.calc-textarea:focus {
    border-color: #84BD5A;
    box-shadow: 0 0 0 3px rgba(132, 189, 90, 0.15);
}

/* ---- Copy Button (Base64 / BigNumber) ---- */
.b64-copy-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: #332353;
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    z-index: 2;
}
.b64-copy-btn:hover { background: #84BD5A; color: #332353; }

/* ---- BAC Level Guide ---- */
.bac-level-guide { display: flex; flex-direction: column; gap: 10px; }
.bac-level-row   { display: flex; align-items: center; gap: 10px; font-size: 13px; color: #555; }
.bac-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    color: #fff;
    white-space: nowrap;
    min-width: 90px;
    text-align: center;
}

/* ---- Exponent Calculator ---- */
.exp-equation-row {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 4px;
}
.exp-field-wrap {
    flex: 1;
    min-width: 110px;
    position: relative;
}
.exp-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: #332353;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}
.exp-input { text-align: center; font-weight: 700; font-size: 16px !important; }
.exp-op-sym {
    font-size: 26px;
    font-weight: 700;
    color: #84BD5A;
    padding-bottom: 6px;
    flex-shrink: 0;
}
.exp-e-btn {
    position: absolute;
    bottom: -22px;
    left: 0;
    font-size: 11px;
    color: #84BD5A;
    background: none;
    border: none;
    cursor: pointer;
    font-weight: 600;
    padding: 0;
    text-decoration: underline;
}
.exp-e-btn:hover { color: #332353; }

/* ---- Factor Calculator ---- */
.factor-list-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px 0;
}
.factor-chip {
    background: #f0f7e8;
    border: 1.5px solid #84BD5A;
    color: #332353;
    border-radius: 6px;
    padding: 5px 14px;
    font-size: 14px;
    font-weight: 700;
}
.factor-chip.prime-chip {
    background: #332353;
    border-color: #332353;
    color: #84BD5A;
}
.factor-prime-wrap { margin: 6px 0 4px; }
.factor-prime-expr {
    font-size: 18px;
    font-weight: 700;
    color: #332353;
    padding: 12px 16px;
    background: #f7f5ff;
    border-radius: 8px;
    border-left: 4px solid #84BD5A;
    margin-bottom: 8px;
    word-break: break-all;
}
.factor-prime-exp {
    font-size: 14px;
    color: #666;
    padding-left: 4px;
}
.factor-badge {
    display: inline-block;
    background: #332353;
    color: #fff;
    border-radius: 4px;
    padding: 3px 9px;
    font-size: 12px;
    font-weight: 700;
}

/* ---- Fraction Calculator ---- */
.frac-row-wrap {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    padding: 10px 0 6px;
}
.frac-number-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}
.frac-mixed-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
}
.frac-sub-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}
.frac-top, .frac-bot, .frac-whole {
    width: 80px !important;
    text-align: center;
    height: 40px !important;
    font-weight: 700;
    font-size: 15px !important;
}
.frac-divider {
    width: 80px;
    height: 2px;
    background: #332353;
    border-radius: 2px;
}
.frac-op-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.frac-op-wrap .calc-radio-btn { min-width: 46px; }
.frac-eq-sym {
    font-size: 28px;
    font-weight: 700;
    color: #332353;
}
.frac-result-wrap { min-width: 80px; }
.frac-result-top, .frac-result-bot {
    font-size: 20px;
    font-weight: 800;
    color: #84BD5A;
    text-align: center;
    min-width: 80px;
    padding: 2px 6px;
}

/* ---- Finance Calculator TVM Grid ---- */
.finance-tvm-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
    margin-bottom: 6px;
}
.finance-tvm-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.finance-tvm-label {
    font-size: 18px;
    font-weight: 800;
    color: #332353;
    text-align: center;
    display: block;
}
.finance-tvm-sub {
    font-size: 10px;
    color: #888;
    text-align: center;
    line-height: 1.3;
    min-height: 26px;
}
.finance-tvm-input { text-align: center; font-weight: 700; }
@media (max-width: 600px) {
    .finance-tvm-grid { grid-template-columns: 1fr 1fr; }
    .exp-equation-row { gap: 6px; }
    .exp-field-wrap { min-width: 80px; }
}