/* ===== Wrapper & Layout ===== */
.pd-cost-calculator-wrapper {
    font-family: 'Roboto', sans-serif;
}

.pd-cost-calculator-wrapper .equal-height-row {
    display: flex;
    flex-wrap: wrap;
}

.pd-cost-calculator-wrapper .equal-height-row > [class*='col-'] {
    display: flex;
    flex-direction: column;
}

.pd-cost-calculator-wrapper .calcForm.h-100 {
    display: flex;
    flex-direction: column;
    height: 100%;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    border-radius: 8px;
    overflow: hidden;
}

/* ===== Headers ===== */
.pd-cost-calculator-wrapper .calcForm .form-header,
.pd-cost-calculator-wrapper .calcForm .form-header2 {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    padding: 18px 25px;
    text-align: left;
    font-size: 22px;
    font-weight: 600;
    font-family: 'Roboto', sans-serif;
    color: #fff;
    margin-bottom: 0;
    letter-spacing: 0.3px;
}

.pd-cost-calculator-wrapper .calcForm .form-header i,
.pd-cost-calculator-wrapper .calcForm .form-header2 i {
    margin-right: 10px;
    opacity: 0.9;
}

/* ===== Form Content ===== */
.pd-cost-calculator-wrapper .calcForm .form-content {
    background: #fff;
    font-size: 17px;
    padding: 28px 25px 25px;
    border: none;
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* ===== Binding Badge ===== */
.pd-cost-calculator-wrapper .binding-badge {
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    color: #2e7d32;
    padding: 10px 16px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 22px;
    border-left: 4px solid #43a047;
    display: flex;
    align-items: center;
    gap: 8px;
}

.pd-cost-calculator-wrapper .binding-badge i {
    font-size: 16px;
}

/* ===== Form Controls ===== */
.pd-cost-calculator-wrapper .form-group {
    margin-bottom: 18px;
}

.pd-cost-calculator-wrapper .form-group label {
    font-weight: 600;
    color: #333;
    margin-bottom: 6px;
    font-size: 15px;
}

.pd-cost-calculator-wrapper .form-control {
    height: 48px;
    font-size: 16px;
    font-weight: 500;
    font-family: 'Roboto', sans-serif;
    color: #2c2c2c !important;
    border: 1.5px solid #d0d0d0;
    border-radius: 6px;
    background: #fff;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.pd-cost-calculator-wrapper .form-control:focus {
    border-color: #0f3460;
    box-shadow: 0 0 0 3px rgba(15, 52, 96, 0.15);
    background: #fff;
    outline: none;
}

.pd-cost-calculator-wrapper .form-control:disabled {
    background: #eee !important;
    color: #999 !important;
    cursor: not-allowed;
    opacity: 0.75;
}

.pd-cost-calculator-wrapper #num_pages::placeholder,
.pd-cost-calculator-wrapper #num_copies::placeholder {
    color: #b0b0b0 !important;
    font-weight: 400;
}

/* ===== Calculate Button ===== */
.pd-cost-calculator-wrapper .calc-btn {
    background: linear-gradient(135deg, #0f3460 0%, #16213e 100%) !important;
    border: none !important;
    font-size: 17px;
    font-weight: 600;
    font-family: 'Roboto', sans-serif;
    padding: 14px 20px;
    border-radius: 6px;
    width: 100%;
    color: #fff !important;
    box-shadow: 0 4px 15px rgba(15, 52, 96, 0.35);
    transition: all 0.25s ease;
    letter-spacing: 0.4px;
}

.pd-cost-calculator-wrapper .calc-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, #16213e 0%, #0f3460 100%) !important;
    box-shadow: 0 6px 20px rgba(15, 52, 96, 0.45);
    transform: translateY(-1px);
}

.pd-cost-calculator-wrapper .calc-btn:active:not(:disabled) {
    transform: translateY(0);
}

.pd-cost-calculator-wrapper .calc-btn:disabled {
    background: #9aa3b2 !important;
    box-shadow: none;
    cursor: not-allowed;
    opacity: 0.7;
}

/* ===== Result Box (no inner card) ===== */
.pd-cost-calculator-wrapper .result-box {
    padding: 28px 25px 22px !important;
    background: #fff !important;
}

.pd-cost-calculator-wrapper .result-line {
    font-weight: 500;
    line-height: 32px;
    font-size: 16px;
    margin-bottom: 2px;
    color: #333;
    font-family: 'Roboto', sans-serif;
    clear: both;
}

.pd-cost-calculator-wrapper .result-line .fl-right {
    float: right;
    font-weight: 600;
    color: #1a1a2e;
}

/* Per Book Cost – distinct style */
.pd-cost-calculator-wrapper .per-book-line {
    background: #f0f4ff;
    margin: 0 -8px 6px;
    padding: 10px 12px;
    border-radius: 6px;
    border-left: 4px solid #0f3460;
    font-size: 16px;
    color: #0f3460;
}

.pd-cost-calculator-wrapper .per-book-line .fl-right {
    color: #0f3460 !important;
    font-weight: 700;
    font-size: 18px;
}

.pd-cost-calculator-wrapper .per-book-label {
    font-size: 12px;
    color: #5a6a8a;
    font-weight: 400;
    display: block;
    margin-top: -2px;
    margin-bottom: 4px;
}

.pd-cost-calculator-wrapper .result-hr {
    height: 1px;
    border: none;
    background: #e8eaf0;
    margin: 8px 0;
}

.pd-cost-calculator-wrapper .grand-hr {
    height: 2px;
    background: linear-gradient(90deg, #0f3460, #0f3460);
    margin: 12px 0 10px;
}

.pd-cost-calculator-wrapper .grand-total {
    font-size: 19px !important;
    color: #0f3460 !important;
    margin-top: 4px;
    margin-bottom: 0;
}

.pd-cost-calculator-wrapper .grand-total .fl-right {
    color: #0f3460 !important;
    font-size: 21px;
}

/* ===== Note inside result box ===== */
.pd-cost-calculator-wrapper .result-note {
    margin-top: 20px;
    padding: 12px 14px;
    background: #f5f7fa;
    border-radius: 6px;
    border-left: 3px solid #0f3460;
    font-size: 12.5px;
    line-height: 1.55;
    color: #555;
    font-weight: 400;
}

.pd-cost-calculator-wrapper .result-note b {
    color: #333;
}

/* ===== Intro text ===== */

    .pd-cost-calculator-wrapper .equal-height-row > [class*='col-'] {
        margin-bottom: 20px;
    }

    .pd-cost-calculator-wrapper .calcForm .form-header,
    .pd-cost-calculator-wrapper .calcForm .form-header2 {
        font-size: 19px;
        padding: 15px 18px;
    }

    .pd-cost-calculator-wrapper .calc-btn {
        font-size: 16px;
        padding: 13px;
    }

    .pd-cost-calculator-wrapper .grand-total {
        font-size: 18px !important;
    }

    .pd-cost-calculator-wrapper .grand-total .fl-right {
        font-size: 19px;
    }

    .pd-cost-calculator-wrapper .result-note {
        font-size: 12px;
    }
}