.gpa-page .gpa-hero { align-items: center; }
.gpa-layout { grid-template-columns: minmax(0, 1fr) 300px; align-items: start; }
.gpa-card { min-width: 0; }
.gpa-mode-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 4px 0 22px; padding: 5px; background: var(--bg); border: 1px solid var(--border); border-radius: 12px; }
.gpa-mode { padding: 10px 12px; border: 0; border-radius: 9px; background: transparent; color: var(--muted); font: inherit; font-weight: 700; cursor: pointer; }
.gpa-mode.active { background: #fff; color: var(--primary-dark); box-shadow: 0 3px 10px rgba(15, 118, 110, 0.1); }
.gpa-panel[hidden] { display: none; }
.gpa-input-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-bottom: 18px; }
.gpa-page .field label { display: block; margin-bottom: 6px; font-weight: 700; }
.gpa-page .input-with-unit { display: flex; align-items: center; overflow: hidden; border: 1px solid var(--border); border-radius: 10px; background: #fff; }
.gpa-page .input-with-unit:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.12); }
.gpa-page .input-with-unit input { width: 100%; min-width: 0; padding: 11px 12px; border: 0; outline: 0; background: transparent; color: var(--text); font: inherit; }
.gpa-page .input-with-unit span { padding: 0 10px; color: var(--muted); font-size: .84rem; white-space: nowrap; }
.gpa-year-field small { display: block; margin-top: 6px; color: var(--muted); font-size: .78rem; }
.panel-hint { margin: 0 0 14px; color: var(--muted); line-height: 1.7; }
.term-grid { display: grid; gap: 12px; }
.term-grid fieldset { margin: 0; padding: 13px; border: 1px solid var(--border); border-radius: 12px; background: #fff; }
.term-grid legend { padding: 0 5px; font-weight: 800; }
.term-grid legend small { color: var(--primary-dark); font-weight: 700; }
.term-inputs { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.term-inputs label { display: grid; gap: 6px; color: var(--muted); font-size: .86rem; }
.term-inputs input { width: 100%; padding: 10px 11px; border: 1px solid var(--border); border-radius: 9px; color: var(--text); font: inherit; }
.term-inputs input:focus { border-color: var(--primary); outline: 0; box-shadow: 0 0 0 3px rgba(15, 118, 110, .12); }
.weight-note { display: flex; flex-wrap: wrap; gap: 8px 14px; margin: 18px 0 4px; padding: 11px 13px; border: 1px solid #ccebe5; border-radius: 10px; background: var(--primary-soft); color: var(--primary-dark); font-size: .88rem; }
.weight-note strong { width: 100%; color: var(--text); }
.gpa-form-message { min-height: 1.6em; margin: 8px 0; color: #b42318; }
.gpa-submit { width: 100%; }
.gpa-result { display: none; margin-top: 22px; padding-top: 22px; border-top: 1px solid var(--border); }
.gpa-result.show { display: block; }
.result-score { display: flex; align-items: baseline; gap: 7px; color: var(--primary-dark); }
.result-score span { font-size: clamp(2.25rem, 6vw, 3.5rem); font-weight: 900; line-height: 1; }
.result-score small { color: var(--muted); font-size: 1rem; }
.gpa-contributions { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 9px; margin-top: 18px; }
.gpa-contributions > div { display: grid; gap: 4px; padding: 12px 9px; border: 1px solid var(--border); border-radius: 11px; background: #fff; text-align: center; }
.gpa-contributions span { color: var(--muted); font-size: .82rem; }
.gpa-contributions strong { color: var(--primary-dark); font-size: 1.2rem; }
.gpa-contributions small { color: var(--muted); font-size: .76rem; }
.gpa-breakdown { margin-top: 16px; padding: 14px; border-radius: 11px; background: var(--bg); }
.gpa-breakdown h3 { margin: 0 0 7px; font-size: 1rem; }
.gpa-breakdown p { margin: 0; color: var(--muted); line-height: 1.8; }
.gpa-content-figure { margin: 28px auto 0; max-width: 800px; padding: 12px; border: 1px solid var(--border); border-radius: 18px; background: linear-gradient(145deg, #e4f8f4, #fff8e7); }
.gpa-content-figure img { display: block; width: 100%; height: auto; }
.gpa-content-figure figcaption { padding: 8px 4px 0; color: var(--muted); font-size: .86rem; text-align: center; }
.gpa-content .formula-box { margin: 16px 0; padding: 14px 16px; border-right: 4px solid var(--primary); border-radius: 8px; background: var(--bg); direction: rtl; line-height: 2; }
.gpa-content .faq-item { margin: 9px 0; }
@media (max-width: 820px) { .gpa-layout { grid-template-columns: 1fr; } .gpa-aside { order: 2; } }
@media (max-width: 560px) { .gpa-input-grid, .gpa-contributions { grid-template-columns: 1fr; } .term-inputs { grid-template-columns: 1fr 1fr; } }