:root {
    --container: 840px;
    --gap: 24px;
    --radius: 16px;
    
    /* colors mapped to portfolio */
    --bg-primary: #ffffff;
    --bg-secondary: #faf8f5;
    --text-primary: #111111;
    --text-secondary: #7A5C3A;
    --accent-blue: #7A5C3A;
    --accent-purple: #61492F;
    --accent-cyan: #4E3A29;
    --accent-pink: #d97706;
    --success: #15803d;
    --error: #b91c1c;
    --glass-bg: #ffffff;
    --glass-border: rgba(122, 92, 58, 0.2);
    
    --link: #7A5C3A;
    --muted: #7A5C3A;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { overflow-x: hidden; width: 100%; }
body {
    background: #ffffff;
    color: var(--text-primary);
}

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    position: relative;
    padding: 20px;
    z-index: 1;
}

header {
    text-align: center;
    margin-bottom: 2rem;
}

.glow-orb { display: none; }

.badge-header {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

h1, h2, h3, h4, h5 { color: var(--text-primary); margin-top: 1.5rem; margin-bottom: 0.75rem; }
h1 { font-size: 2.25rem; font-weight: 700; }
header p { color: var(--text-secondary); font-size: 1.1rem; line-height: 1.6; max-width: 700px; margin: 0 auto; }

.glass-panel, .card {
    background: #ffffff;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.highlight-card { border-color: var(--muted); border-width: 2px; }

.presets-container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--glass-border);
}

.preset-label { font-weight: 600; font-size: 0.9rem; color: var(--text-secondary); margin-right: 0.5rem; }

.btn-preset {
    background: #ffffff;
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s ease;
}
.btn-preset:hover { background: var(--bg-secondary); }

.blocks-container { display: flex; flex-direction: column; gap: 0.75rem; margin-bottom: 1.5rem; }

.block-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--bg-secondary);
    padding: 0.75rem 1rem;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
}

.block-label {
    font-weight: 700;
    color: var(--text-secondary);
    min-width: 35px;
    font-size: 1.1rem;
}

.block-input {
    flex: 1;
    background: #ffffff;
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
    color: var(--text-primary);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 1rem;
    outline: none;
}
.block-input:focus { border-color: var(--muted); }

.btn-remove-block {
    background: #ffffff;
    border: 1px solid rgba(185, 28, 28, 0.3);
    color: var(--error);
    width: 30px; height: 30px;
    border-radius: 6px;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; font-size: 1.2rem;
    transition: all 0.2s;
}
.btn-remove-block:hover { background: rgba(185, 28, 28, 0.1); }

.block-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid transparent;
    font-size: 1rem;
}

.btn-primary { background: var(--muted); color: #ffffff; flex: 2; }
.btn-primary:hover { background: var(--link-hover); transform: translateY(-1px); }

.btn-secondary { background: var(--bg-secondary); color: var(--text-primary); border-color: var(--glass-border); flex: 1; }
.btn-secondary:hover { background: #ffffff; }

.error-msg {
    color: var(--error);
    background: rgba(185, 28, 28, 0.05);
    border: 1px solid rgba(185, 28, 28, 0.2);
    border-radius: 8px; padding: 0.75rem 1rem;
    margin-top: 1rem; font-size: 0.95rem; font-weight: 500;
    display: none;
}
.error-msg.show { display: block; }

.hidden { display: none !important; }

.step-header { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--glass-border); }
.step-header h3 { margin: 0; font-size: 1.35rem; color: var(--text-primary); }
.step-num {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    font-weight: 700; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px;
}
.step-num.star { background: var(--muted); color: #ffffff; border: none; font-size: 0.9rem; padding: 0.2rem 0.5rem; }

.desc-text { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.6; margin-bottom: 1rem; }
.math-content { font-size: 1.05rem; line-height: 1.7; overflow-x: auto; padding: 0.5rem 0; }
.math-formula-box {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    font-size: 1.2rem;
    overflow-x: auto;
}

.graph-grid-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 1rem;
}
@media (min-width: 900px) {
    .graph-grid-container { grid-template-columns: 2fr 1fr; }
}
.graph-grid-container.fullscreen {
    position: fixed !important;
    top: 0 !important; left: 0 !important; width: 100vw !important; height: 100vh !important;
    z-index: 999999 !important;
    background: #ffffff !important;
    padding: 20px !important; margin: 0 !important;
    grid-template-columns: 1fr 380px !important; grid-template-rows: 100% !important;
}
.inspector-word-tag {
    display: inline-block;
    background: #ffffff;
    border: 1px solid var(--glass-border);
    padding: 3px 8px; border-radius: 6px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.85rem; margin: 3px; color: var(--text-primary);
}
.list-group { list-style: none; padding: 0; margin: 0; }
.list-item { padding: 0.5rem; border-bottom: 1px solid var(--glass-border); display: flex; align-items: center; justify-content: space-between; }
.list-item:last-child { border-bottom: none; }

/* Admissibility Verification Styles */
.admissible-banner-card {
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}
.admissible-banner-card.pass {
    background: linear-gradient(135deg, rgba(21, 128, 61, 0.08) 0%, rgba(21, 128, 61, 0.02) 100%);
    border: 2px solid rgba(21, 128, 61, 0.4);
    box-shadow: 0 0 25px rgba(21, 128, 61, 0.1);
}
.admissible-banner-card.fail {
    background: linear-gradient(135deg, rgba(185, 28, 28, 0.08) 0%, rgba(185, 28, 28, 0.02) 100%);
    border: 2px solid rgba(185, 28, 28, 0.4);
    box-shadow: 0 0 25px rgba(185, 28, 28, 0.1);
}
.admissible-banner-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}
.admissible-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}
.admissible-banner-card.pass .admissible-title { color: #15803d; }
.admissible-banner-card.fail .admissible-title { color: #b91c1c; }

.admissible-table-wrapper {
    overflow-x: auto;
    margin-top: 1rem;
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    background: #ffffff;
}
.admissible-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
    text-align: left;
}
.admissible-table th {
    background: var(--bg-secondary);
    padding: 10px 14px;
    font-weight: 600;
    border-bottom: 1px solid var(--glass-border);
    color: var(--text-secondary);
}
.admissible-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--glass-border);
    vertical-align: top;
}
.admissible-table tr:last-child td {
    border-bottom: none;
}
.admissible-table tr:hover {
    background: rgba(122, 92, 58, 0.02);
}

.badge-status {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}
.badge-status.pass {
    background: rgba(21, 128, 61, 0.12);
    border: 1px solid rgba(21, 128, 61, 0.3);
    color: #15803d;
}
.badge-status.fail {
    background: rgba(185, 28, 28, 0.12);
    border: 1px solid rgba(185, 28, 28, 0.3);
    color: #b91c1c;
}

.condition-pill {
    display: inline-block;
    padding: 2px 7px;
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 600;
    margin-right: 4px;
    margin-bottom: 4px;
}
.condition-pill.satisfied {
    background: rgba(21, 128, 61, 0.1);
    border: 1px solid rgba(21, 128, 61, 0.25);
    color: #15803d;
}
.condition-pill.failed {
    background: rgba(185, 28, 28, 0.08);
    border: 1px solid rgba(185, 28, 28, 0.2);
    color: #b91c1c;
}

.pair-detail-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 0.78rem;
    cursor: pointer;
    margin-top: 6px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: all 0.2s;
}
.pair-detail-btn:hover {
    background: #ffffff;
    color: var(--text-primary);
}

.pair-detail-content {
    background: var(--bg-secondary);
    border: 1px dashed var(--glass-border);
    border-radius: 8px;
    padding: 8px 12px;
    margin-top: 6px;
    font-size: 0.82rem;
    line-height: 1.5;
    font-family: ui-monospace, monospace;
}