:root {
    --bg-color: #faf9f6;
    --text-color: #2f3430;
    --text-muted: #5c605c;
    --surface: #ffffff;
    --surface-container-low: #f4f4f0;
    --surface-container: #edeeea;
    --primary: #1A1A1A;
    --secondary: #585f6d;
    --success: #2D6A4F;
    --success-hover: #1B4332;
    --error: #9f403d;
    --outline: #e0e4de;
    --shadow-sm: 0 4px 24px rgba(0,0,0,0.04);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.08);
    --border-radius-lg: 1.5rem;
    --border-radius-xl: 2.5rem;
    --transition-speed: 0.3s;
    --accent: #3B82F6;
    --accent-soft: rgba(59,130,246,0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', 'Cairo', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    direction: rtl;
    line-height: 1.6;
    overflow-x: hidden;
}

/* ============ HEADER / NAVBAR ============ */
.site-header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background: rgba(250, 249, 246, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.04);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.75rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 800;
    color: #111;
    text-decoration: none;
}

.logo .material-symbols-outlined { font-size: 1.5rem; }

.desktop-nav {
    display: flex;
    gap: 0.25rem;
    flex-wrap: wrap;
    justify-content: center;
}

.desktop-nav a {
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    padding: 0.5rem 0.75rem;
    border-radius: 0.75rem;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    white-space: nowrap;
}

.desktop-nav a .nav-icon { font-size: 1.1rem; }

.desktop-nav a:hover { background: var(--surface-container-low); color: var(--primary); }
.desktop-nav a.active { background: var(--primary); color: white; }

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-color);
    padding: 0.5rem;
    border-radius: 0.5rem;
}

.hamburger:hover { background: var(--surface-container-low); }

.mobile-nav {
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.75rem 1.5rem 1.25rem;
    border-top: 1px solid rgba(0,0,0,0.04);
    background: rgba(250,249,246,0.98);
}

.mobile-nav.open { display: flex; }

.mobile-nav a {
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.mobile-nav a .nav-icon { font-size: 1.2rem; }
.mobile-nav a:hover { background: var(--surface-container-low); }
.mobile-nav a.active { background: var(--primary); color: white; }
.mobile-nav a .nav-text { flex: 1; }

/* ============ MAIN CONTENT ============ */
.page-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 7rem 2rem 3rem;
    min-height: 100vh;
}

.seo-headline {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 2.5rem;
    text-align: center;
    color: var(--text-color);
    line-height: 1.4;
}

/* Fade-in animation */
.fade-in { animation: fadeIn 0.35s ease-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

/* ============ HERO SECTION ============ */
.hero-section {
    text-align: center;
    padding: 3rem 1rem 4rem;
    background: linear-gradient(135deg, rgba(59,130,246,0.04) 0%, rgba(45,106,79,0.04) 100%);
    border-radius: var(--border-radius-xl);
    margin-bottom: 3rem;
    border: 1px solid rgba(0,0,0,0.03);
}

.hero-title { display: none; } /* Already shown in .seo-headline */

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 1rem;
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.25s;
}

.hero-btn-primary {
    background: var(--success);
    color: white;
    box-shadow: 0 4px 16px rgba(45,106,79,0.25);
}

.hero-btn-primary:hover { background: var(--success-hover); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(45,106,79,0.3); }

.hero-btn-secondary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 16px rgba(26,26,26,0.15);
}

.hero-btn-secondary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(26,26,26,0.2); }

/* ============ FEATURES GRID ============ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin-bottom: 3rem;
}

.feature-card {
    background: var(--surface);
    padding: 2rem 1.5rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    text-decoration: none;
    color: var(--text-color);
    border: 1px solid rgba(0,0,0,0.03);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
}

.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(59,130,246,0.15); }

.feature-icon {
    font-size: 2.5rem;
    color: var(--success);
    margin-bottom: 1rem;
    display: block;
}

.feature-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.5rem; }
.feature-card p { font-size: 0.825rem; color: var(--text-muted); }

/* ============ CALCULATOR SECTION ============ */
.calculator-section {
    margin-bottom: 2.5rem;
}

.calc-results-row {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
}

/* ============ GPA RESULT CARD ============ */
.gpa-result-card {
    background: linear-gradient(135deg, #1A1A1A 0%, #2f3430 100%);
    color: white;
    padding: 2rem 3rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
    min-width: 260px;
}

.gpa-result-value { font-size: 3.5rem; font-weight: 800; line-height: 1.1; }
.gpa-result-scale { font-size: 0.85rem; color: rgba(255,255,255,0.5); margin-top: 0.25rem; }
.gpa-result-label { font-size: 1.1rem; font-weight: 600; margin-top: 0.5rem; color: rgba(255,255,255,0.85); }

.gpa-progress-bar {
    width: 100%;
    height: 6px;
    background: rgba(255,255,255,0.1);
    border-radius: 999px;
    margin-top: 1.25rem;
    overflow: hidden;
}

.gpa-progress-fill {
    height: 100%;
    background: white;
    border-radius: 999px;
    transition: width 0.5s ease;
}

/* ============ TOGGLE SWITCH ============ */
.toggle-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
}

.toggle-container {
    background: var(--surface-container-low);
    padding: 0.4rem;
    border-radius: 999px;
    display: flex;
    gap: 0.3rem;
    border: 1px solid rgba(0,0,0,0.05);
    box-shadow: 0 2px 10px rgba(0,0,0,0.03);
}

.toggle-btn {
    border: none;
    background: transparent;
    padding: 0.7rem 2rem;
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-muted);
}

.toggle-btn.active {
    background: var(--surface);
    color: var(--primary);
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

/* ============ COURSE SECTION ============ */
.course-section {
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-xl);
    padding: 2.5rem;
    border: 1px solid rgba(0,0,0,0.04);
    box-shadow: var(--shadow-sm);
}

.course-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 2rem; }
.course-header h3 { font-size: 1.25rem; font-weight: 700; }
.course-header p { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.25rem; }

.btn-add {
    background: var(--success);
    color: white;
    border: none;
    padding: 0.625rem 1.25rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-add:hover { background: var(--success-hover); }

/* Table */
.table-wrapper { overflow-x: auto; width: 100%; }
.course-table { min-width: 800px; width: 100%; }

.table-header {
    display: grid;
    grid-template-columns: 40px 1fr 100px 120px 80px 40px;
    gap: 1rem;
    padding: 1rem 1.5rem;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    border-bottom: 1px solid var(--surface-container);
    text-align: center;
}

.table-header > div:nth-child(2) { text-align: right; }

.course-list { display: flex; flex-direction: column; gap: 0.75rem; margin-top: 1rem; }

.course-row {
    display: grid;
    grid-template-columns: 40px 1fr 100px 120px 80px 40px;
    gap: 1rem;
    padding: 0.75rem 1.5rem;
    background: var(--surface);
    border-radius: 1rem;
    align-items: center;
    border: 1px solid rgba(0,0,0,0.02);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.course-row:hover { border-color: rgba(0,0,0,0.1); }
.row-controls { display: contents; }
.mobile-label { display: none; }

.course-row input[type="checkbox"] { width: 1rem; height: 1rem; accent-color: var(--success); cursor: pointer; justify-self: center; }

.course-row input[type="text"] {
    width: 100%; border: none; background: transparent; font-weight: 600; font-size: 0.875rem;
    color: var(--text-color); outline: none; padding: 0.5rem;
}

.course-row input[type="text"]::placeholder { color: #ccc; }

.course-row input[type="number"],
.course-row select {
    width: 100%; border: 1px solid rgba(0,0,0,0.05); background: var(--surface-container-low);
    border-radius: 0.5rem; padding: 0.5rem; text-align: center; font-size: 0.875rem;
    font-weight: 600; outline: none; appearance: none;
}

.course-row select { cursor: pointer; }

.points-display { font-weight: 700; font-size: 0.875rem; text-align: center; color: var(--text-color); }

.btn-delete {
    background: transparent; border: none; color: var(--error); cursor: pointer;
    opacity: 0.3; transition: opacity 0.2s; display: flex; justify-content: center; align-items: center;
}

.course-row:hover .btn-delete { opacity: 1; }

/* Summary Bar */
.summary-bar {
    margin-top: 2rem;
    background: var(--primary);
    color: white;
    padding: 1.5rem 2rem;
    border-radius: 1.5rem;
    display: flex;
    gap: 3rem;
    align-items: center;
}

.summary-item { display: flex; flex-direction: column; gap: 0.25rem; }
.summary-label { font-size: 0.65rem; font-weight: 600; color: rgba(255,255,255,0.6); text-transform: uppercase; }
.summary-value { font-size: 1.5rem; font-weight: 800; }
.summary-bar .spacer { margin-right: auto; }

.btn-save {
    background: rgba(255,255,255,0.1); color: white; border: 1px solid rgba(255,255,255,0.2);
    padding: 0.5rem 1.5rem; border-radius: 999px; font-size: 0.75rem; font-weight: 700;
    cursor: pointer; transition: background 0.2s;
}

.btn-save:hover { background: rgba(255,255,255,0.2); }

/* ============ PREV DATA (CUMULATIVE) ============ */
.prev-data-section {
    background: var(--surface);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.03);
}

.prev-data-section h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 1.25rem; }

.prev-data-grid, .target-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-group label { font-size: 0.8rem; font-weight: 600; color: var(--text-muted); }

.form-group input[type="number"] {
    width: 100%; padding: 0.75rem 1rem; border: 1px solid rgba(0,0,0,0.08);
    border-radius: 0.75rem; font-size: 1rem; font-weight: 600; outline: none;
    background: var(--surface-container-low); transition: border-color 0.2s;
}

.form-group input:focus { border-color: var(--success); }

/* ============ TARGET GPA ============ */
.target-form {
    background: var(--surface);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.03);
    margin-bottom: 2rem;
}

.target-form h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 1.25rem; }

.target-result-area { margin-top: 1.5rem; display: flex; flex-direction: column; align-items: center; gap: 1rem; }

.target-msg {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1.25rem 1.5rem;
    border-radius: 1rem;
    font-size: 0.9rem;
    line-height: 1.6;
    width: 100%;
}

.target-msg .material-symbols-outlined { font-size: 1.5rem; flex-shrink: 0; margin-top: 0.1rem; }
.target-msg strong { font-weight: 700; }
.target-msg p { margin-top: 0.35rem; }

.target-error { background: rgba(159,64,61,0.08); color: var(--error); border: 1px solid rgba(159,64,61,0.15); }
.target-success { background: rgba(45,106,79,0.08); color: var(--success); border: 1px solid rgba(45,106,79,0.15); }
.target-info { background: rgba(59,130,246,0.06); color: #2563EB; border: 1px solid rgba(59,130,246,0.12); }

/* ============ CONVERTER ============ */
.converter-section {
    background: var(--surface);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.03);
    margin-bottom: 2rem;
}

.converter-section h3 { font-size: 1rem; font-weight: 600; color: var(--text-muted); margin-bottom: 2rem; text-align: center; }

.converter-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.converter-item { display: flex; flex-direction: column; gap: 0.5rem; position: relative; }
.converter-item label { font-size: 0.8rem; font-weight: 600; color: var(--text-muted); }

.converter-item input,
.converter-item select {
    width: 100%; padding: 0.75rem 1rem; border: 1px solid rgba(0,0,0,0.08);
    border-radius: 0.75rem; font-size: 1rem; font-weight: 600; outline: none;
    background: var(--surface-container-low); transition: border-color 0.2s;
}

.converter-item input:focus,
.converter-item select:focus { border-color: var(--success); }

.converter-unit { position: absolute; left: 1rem; bottom: 0.85rem; font-size: 0.85rem; color: var(--text-muted); pointer-events: none; }

.converter-result-area { margin-top: 1rem; }

.converter-result-card {
    background: linear-gradient(135deg, #1A1A1A 0%, #2f3430 100%);
    color: white;
    border-radius: var(--border-radius-lg);
    padding: 1.5rem 2rem;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
    text-align: center;
}

.converter-result-row {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.converter-result-row span { font-size: 0.7rem; color: rgba(255,255,255,0.5); font-weight: 600; }
.converter-result-row strong { font-size: 1.25rem; font-weight: 800; }

/* ============ GRADES TABLE ============ */
.grades-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0 1.5rem;
    font-size: 0.875rem;
}

.grades-table th {
    background: var(--primary);
    color: white;
    padding: 0.75rem 1rem;
    font-weight: 700;
    text-align: center;
}

.grades-table th:first-child { border-radius: 0 0.75rem 0 0; }
.grades-table th:last-child { border-radius: 0.75rem 0 0 0; }

.grades-table td {
    padding: 0.65rem 1rem;
    text-align: center;
    border-bottom: 1px solid var(--outline);
    font-weight: 500;
}

.grades-table tr:hover td { background: var(--accent-soft); }

/* ============ SYSTEMS PAGE ============ */
.systems-section { margin-bottom: 2rem; }
.systems-intro { font-size: 1rem; color: var(--text-muted); margin-bottom: 2rem; line-height: 1.7; text-align: center; max-width: 700px; margin-left: auto; margin-right: auto; }

.systems-section h2 { font-size: 1.2rem; font-weight: 700; margin: 2rem 0 1.25rem; color: var(--primary); }

.university-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

.uni-card {
    background: var(--surface);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    border: 1px solid rgba(0,0,0,0.03);
    box-shadow: var(--shadow-sm);
    transition: all 0.25s;
    position: relative;
}

.uni-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.uni-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 0.5rem; }
.uni-card p { font-size: 0.825rem; color: var(--text-muted); line-height: 1.5; }

.uni-badge {
    display: inline-block;
    margin-top: 0.75rem;
    padding: 0.3rem 0.75rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 700;
}

.badge-5 { background: rgba(45,106,79,0.1); color: var(--success); }
.badge-4 { background: rgba(59,130,246,0.1); color: #2563EB; }

/* ============ FAQ PAGE ============ */
.faq-section { margin-bottom: 2rem; }
.faq-intro { font-size: 1rem; color: var(--text-muted); margin-bottom: 2rem; line-height: 1.7; text-align: center; max-width: 700px; margin-left: auto; margin-right: auto; }

.faq-list { display: flex; flex-direction: column; gap: 0.75rem; }

.faq-item {
    background: var(--surface);
    border-radius: 1rem;
    border: 1px solid rgba(0,0,0,0.03);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all 0.25s;
}

.faq-item:hover { box-shadow: var(--shadow-lg); }

.faq-item summary {
    padding: 1.25rem 1.5rem;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: color 0.2s;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::before {
    content: '←';
    font-size: 1rem;
    color: var(--text-muted);
    transition: transform 0.3s;
    order: 2;
    margin-right: auto;
}

.faq-item[open] summary::before { transform: rotate(-90deg); }
.faq-item[open] summary { color: var(--success); }

.faq-item p {
    padding: 0 1.5rem 1.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ============ SEO CONTENT SECTION ============ */
.seo-content-section { margin-top: 3rem; margin-bottom: 2rem; }
.home-seo-section { margin-bottom: 2rem; }

.content-card {
    background: var(--surface);
    border-radius: var(--border-radius-lg);
    padding: 2.25rem;
    border: 1px solid rgba(0,0,0,0.04);
    box-shadow: var(--shadow-sm);
}

.content-card h2 { font-size: 1.125rem; font-weight: 700; margin-top: 1.75rem; margin-bottom: 0.75rem; color: var(--primary); }
.content-card h2:first-child { margin-top: 0; }
.content-card p { font-size: 0.875rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 1rem; }

.content-card details { margin: 1rem 0; }
.content-card summary { cursor: pointer; font-weight: 600; color: var(--success); font-size: 0.9rem; padding: 0.5rem 0; }
.content-card details p { margin-top: 0.75rem; }

/* ============ FOOTER ============ */
.site-footer {
    background: var(--primary);
    color: white;
    padding: 3rem 2rem 2rem;
    margin-top: 2rem;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
}

.footer-desc { font-size: 0.85rem; color: rgba(255,255,255,0.6); margin-bottom: 1.5rem; max-width: 500px; margin-left: auto; margin-right: auto; }

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 600;
    transition: color 0.2s;
}

.footer-links a:hover { color: white; }

.footer-copy {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.35);
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 1.5rem;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
    .desktop-nav { display: none; }
    .hamburger { display: flex; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .converter-grid { grid-template-columns: repeat(2, 1fr); }
    .converter-result-card { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .page-content { padding-top: 5rem; padding-bottom: 2rem; padding-left: 1rem; padding-right: 1rem; }
    .seo-headline { font-size: 1.2rem; margin-bottom: 1.5rem; }
    .hero-section { padding: 2rem 1rem 2.5rem; }
    .hero-subtitle { font-size: 0.95rem; }
    .hero-btn { padding: 0.85rem 1.5rem; font-size: 0.9rem; }
    .features-grid { grid-template-columns: 1fr 1fr; gap: 0.75rem; }
    .feature-card { padding: 1.25rem 1rem; }
    .feature-icon { font-size: 2rem; }
    .prev-data-grid, .target-grid { grid-template-columns: 1fr; }
    .converter-grid { grid-template-columns: 1fr 1fr; }
    .converter-result-card { grid-template-columns: repeat(3, 1fr); }
    .university-list { grid-template-columns: 1fr; }

    /* Mobile Course Row */
    .table-header { display: none !important; }
    .course-table { min-width: 100% !important; }
    .course-list { gap: 1rem; }

    .course-row {
        display: grid !important;
        grid-template-columns: 40px 1fr 40px !important;
        grid-template-rows: auto auto !important;
        gap: 1rem !important;
        padding: 1.25rem !important;
        box-shadow: var(--shadow-sm) !important;
        border: 1px solid rgba(0,0,0,0.05) !important;
    }

    .course-row .row-checkbox { grid-area: 1 / 1 / 2 / 2; align-self: center; }
    .course-row .row-name { grid-area: 1 / 2 / 2 / 3; font-size: 1rem !important; padding: 0 !important; }
    .course-row .btn-delete { grid-area: 1 / 3 / 2 / 4; align-self: center; opacity: 1 !important; }

    .course-row .row-controls {
        grid-area: 2 / 1 / 3 / 4;
        display: flex !important;
        gap: 0.75rem;
        background: var(--surface-container-low);
        padding: 0.75rem;
        border-radius: 0.75rem;
        width: 100%;
    }

    .course-row .control-item { display: flex; flex-direction: column; gap: 0.35rem; flex: 1; align-items: center; }

    .course-row .mobile-label {
        display: block !important;
        font-size: 0.65rem; font-weight: 700; color: var(--text-muted);
        text-transform: uppercase; letter-spacing: 0.5px;
    }

    .course-row input[type="number"],
    .course-row select {
        width: 100% !important; text-align: center;
        background: var(--surface) !important;
        border: 1px solid rgba(0,0,0,0.05) !important;
        padding: 0.5rem !important; font-size: 0.875rem !important;
    }

    .course-row .points-display { width: 100% !important; text-align: center; padding: 0.5rem !important; font-size: 0.875rem !important; }

    .summary-bar { flex-wrap: wrap; gap: 1.5rem; padding: 1.25rem; }
    .summary-bar .spacer { display: none; }
    .btn-save { width: 100%; text-align: center; padding: 0.75rem; }
    .course-section { padding: 1.5rem; }
    .gpa-result-card { padding: 1.5rem 2rem; }
    .gpa-result-value { font-size: 2.75rem; }
    .converter-section { padding: 1.5rem; }
}

@media (max-width: 480px) {
    .features-grid { grid-template-columns: 1fr; }
    .converter-grid { grid-template-columns: 1fr; }
    .converter-result-card { grid-template-columns: repeat(2, 1fr); }
    .hero-buttons { flex-direction: column; align-items: center; }
    .hero-btn { width: 100%; justify-content: center; }
}