/* =========================
   GLOBAL
========================= */

body {
    font-family: 'Space Grotesk', sans-serif;
}

/* =========================
   CARD
========================= */

.ie-card {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
    padding: 1.5rem;
}

.dark .ie-card {
    background: rgba(30, 41, 59, 0.4);
    border-color: #1f2937;
}

/* =========================
   TITLES
========================= */

.ie-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #0f172a;
}

.dark .ie-card-title {
    color: #fff;
}

.ie-section-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin: 2.5rem 0 1rem;
}

/* =========================
   INPUT
========================= */

.ie-input-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: #475569;
}

.dark .ie-input-label {
    color: #cbd5f5;
}

.ie-input {
    width: 100%;
    border-radius: 0.5rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    background: #f1f5f9;
    border: 1px solid #e5e7eb;
    outline: none;
}

.dark .ie-input {
    background: #020617;
    border-color: #334155;
    color: white;
}

.ie-input:focus {
    border-color: #137fec;
    box-shadow: 0 0 0 2px rgba(19,127,236,.25);
}

/* =========================
   BUTTON
========================= */

.ie-button {
    margin-top: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    background: #137fec;
    color: white;
    font-size: 0.875rem;
    font-weight: 700;
    cursor: pointer;
    border: none;
}

.ie-button:hover {
    background: #0f6ad1;
}

/* =========================
   RESULT
========================= */

.ie-result {
    margin-top: 1rem;
    font-size: 1.125rem;
    font-weight: 700;
    color: #137fec;
}

/* =========================
   FORMULA
========================= */

.ie-formula {
    background: #f1f5f9;
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    padding: 1rem;
    font-family: monospace;
    font-size: 0.875rem;
}

.dark .ie-formula {
    background: #020617;
    border-color: #1f2937;
}

/* =========================
   FAQ
========================= */

.ie-faq details {
    border-bottom: 1px solid #e5e7eb;
    padding: 0.75rem 0;
}

.dark .ie-faq details {
    border-color: #1f2937;
}

.ie-faq summary {
    cursor: pointer;
    font-weight: 600;
}