/* =============================================
   GPA CALCULATOR — gpa.css
   Tool-specific styles only.
   Common styles are in tool.css
   ============================================= */

.gpa-calc { width: 100%; display: flex; flex-direction: column; gap: 24px; }

.gpa-section {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 24px;
    box-shadow: var(--shadow);
}
.gpa-section-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 8px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--teal);
    display: inline-block;
}
.gpa-desc {
    font-size: 13px;
    color: var(--text2);
    margin-bottom: 16px;
    line-height: 1.6;
}

/* Input table */
.gpa-table-wrap { margin-bottom: 16px; overflow-x: auto; }
.gpa-input-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.gpa-input-table thead th {
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy2) 100%);
    color: #fff;
    padding: 10px 12px;
    text-align: left;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.gpa-input-table thead th:nth-child(2),
.gpa-input-table thead th:nth-child(3) { text-align: center; }
.gpa-input-table thead th:first-child { border-radius: 8px 0 0 0; }
.gpa-input-table thead th:last-child  { border-radius: 0 8px 0 0; width: 40px; }

.gpa-row td {
    padding: 6px 8px;
    border-bottom: 1px solid var(--border);
    background: var(--white);
}
.gpa-row:nth-child(even) td { background: #fafbfc; }
.gpa-row:hover td { background: #f0fdf9; }

.gpa-course-input {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    font-family: var(--font-main);
    color: var(--text);
    background: var(--white);
    outline: none;
    transition: border-color 0.2s;
    box-sizing: border-box;
}
.gpa-course-input:focus { border-color: var(--teal); }

.gpa-credit-input {
    width: 70px;
    padding: 8px 6px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    font-family: var(--font-mono);
    color: var(--text);
    background: var(--white);
    outline: none;
    text-align: center;
    transition: border-color 0.2s;
    box-sizing: border-box;
}
.gpa-credit-input:focus { border-color: var(--teal); }

.gpa-grade-select {
    width: 80px;
    padding: 8px 6px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    font-family: var(--font-main);
    color: var(--text);
    background: var(--white);
    outline: none;
    cursor: pointer;
    transition: border-color 0.2s;
}
.gpa-grade-select:focus { border-color: var(--teal); }

.gpa-del-btn {
    width: 28px;
    height: 28px;
    border: none;
    background: #fee2e2;
    color: #dc2626;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 700;
    transition: all 0.2s;
}
.gpa-del-btn:hover { background: #dc2626; color: #fff; }

.gpa-add-btn {
    margin-top: 10px;
    padding: 8px 16px;
    background: none;
    border: 1.5px dashed var(--teal);
    border-radius: 8px;
    color: var(--teal);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    font-family: var(--font-main);
    transition: all 0.2s;
    width: 100%;
}
.gpa-add-btn:hover { background: #f0fdf9; }

/* Plan form */
.gpa-plan-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 8px;
}
.gpa-plan-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 15px;
    font-family: var(--font-mono);
    color: var(--text);
    background: var(--white);
    outline: none;
    transition: border-color 0.2s;
    box-sizing: border-box;
}
.gpa-plan-input:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(0,201,167,0.1); }

/* Result box */
.gpa-result-box {
    margin-top: 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.gpa-result-header {
    background: #16a34a;
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    padding: 10px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Answer cards */
.gpa-ans-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    padding: 16px;
    background: var(--light);
    border-bottom: 1px solid var(--border);
}
.gpa-ans-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 14px 16px;
}
.gpa-ans-card.highlight { border-color: var(--teal); background: #f0fdf9; }
.gpa-ans-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 6px;
}
.gpa-ans-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--teal);
    font-family: var(--font-mono);
    line-height: 1.1;
}

/* Breakdown */
.gpa-breakdown { padding: 14px 16px 16px; }
.gpa-result-table { width: 100%; }
.gpa-result-table td:not(:first-child) { text-align: right; font-family: var(--font-mono); }
.gpa-plan-msg {
    font-size: 15px;
    line-height: 1.6;
    padding: 10px 14px;
    background: var(--light);
    border-radius: 8px;
    border-left: 4px solid var(--teal);
    margin-bottom: 8px;
}

@media (max-width: 600px) {
    .gpa-plan-form { grid-template-columns: 1fr; }
    .gpa-ans-cards { grid-template-columns: 1fr; }
}

/* =============================================
   GPA SETTINGS PANEL
   ============================================= */
.gpa-settings-wrap {
    margin: 12px 0;
}
.gpa-settings-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--navy);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    font-family: var(--font-main);
    transition: all 0.2s;
}
.gpa-settings-toggle:hover { background: var(--navy2); }
.gpa-settings-arrow { font-size: 10px; }

.gpa-settings-panel {
    margin-top: 10px;
    background: var(--light);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.gpa-settings-row {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.gpa-settings-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--navy);
    min-width: 110px;
}
.gpa-settings-options {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

/* Prior GPA inputs */
.gpa-prior-wrap {
    padding: 10px 0 0 0;
}
.gpa-prior-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    max-width: 400px;
}

/* Checkbox reuse */
.date-checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text2);
    cursor: pointer;
}
.date-checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--teal);
    cursor: pointer;
}