/* =============================================
   Calculateurs Immobiliers — Styles
   Variables CSS personnalisables via le backoffice
   ============================================= */

.calc-imm-wrapper {
    /* ── Variables par défaut ── */
    --calc-bg:            #f5f6fa;
    --calc-card-bg:       #ffffff;
    --calc-card-radius:   16px;
    --calc-card-shadow:   0 4px 24px rgba(0, 0, 0, 0.08);
    --calc-border:        #e8eaed;
    --calc-label-color:   #555e6d;
    --calc-input-bg:      #f8f9fb;
    --calc-input-border:  #dde1e8;
    --calc-input-focus:   #3b6fd4;
    --calc-input-radius:  8px;
    --calc-result-bg:     #eef2fb;
    --calc-result-color:  #1a3a6b;
    --calc-result-label:  #6b7a99;
    --calc-accent:        #3b6fd4;
    --calc-title-color:   #1a2332;
    --calc-font:          'Segoe UI', system-ui, sans-serif;
    --calc-gap:           28px;

    /* ── Layout ── */
    display: flex;
    flex-wrap: wrap;
    gap: var(--calc-gap);
    font-family: var(--calc-font);
    background: var(--calc-bg);
    padding: var(--calc-gap);
    border-radius: var(--calc-card-radius);
    box-sizing: border-box;
}

/* ── CARTES ── */
.calc-imm-card {
    flex: 1 1 320px;
    background: var(--calc-card-bg);
    border-radius: var(--calc-card-radius);
    box-shadow: var(--calc-card-shadow);
    border: 1px solid var(--calc-border);
    padding: 28px 28px 24px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* ── TITRES ── */
.calc-imm-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--calc-title-color);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.calc-imm-icon {
    font-size: 1.1rem;
}

.calc-imm-subtitle {
    font-size: 0.85rem;
    color: var(--calc-label-color);
    margin: -8px 0 0;
    line-height: 1.5;
}

/* ── CHAMPS ── */
.calc-imm-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.calc-imm-field label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--calc-label-color);
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.calc-imm-hint {
    font-weight: 400;
    text-transform: none;
    font-style: italic;
    font-size: 0.78rem;
    color: #9aa3b0;
}

.calc-imm-input {
    background: var(--calc-input-bg);
    border: 1px solid var(--calc-input-border);
    border-radius: var(--calc-input-radius);
    padding: 10px 14px;
    font-size: 1rem;
    font-family: var(--calc-font);
    color: var(--calc-title-color);
    transition: border-color 0.2s, box-shadow 0.2s;
    width: 100%;
    box-sizing: border-box;
    -moz-appearance: textfield;
}

.calc-imm-input::-webkit-outer-spin-button,
.calc-imm-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.calc-imm-input:focus {
    outline: none;
    border-color: var(--calc-input-focus);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--calc-input-focus) 15%, transparent);
}

/* ── LIGNE DOUBLE (deux champs côte-à-côte) ── */
.calc-imm-row {
    display: flex;
    gap: 14px;
}

.calc-imm-row .calc-imm-field {
    flex: 1;
}

/* ── RÉSULTAT ── */
.calc-imm-result {
    background: var(--calc-result-bg);
    border-radius: calc(var(--calc-card-radius) - 4px);
    padding: 18px 20px;
    text-align: center;
    margin-top: auto;
}

.calc-imm-result-label {
    font-size: 0.8rem;
    color: var(--calc-result-label);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 6px;
}

.calc-imm-result-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--calc-result-color);
    line-height: 1.1;
}

.calc-imm-result-value .unit {
    font-size: 1rem;
    font-weight: 500;
    color: var(--calc-result-label);
    margin-left: 4px;
}

/* ── DÉTAIL DU CALCUL ── */
.calc-imm-detail {
    font-size: 0.78rem;
    color: var(--calc-label-color);
    background: color-mix(in srgb, var(--calc-accent) 6%, transparent);
    border-left: 3px solid var(--calc-accent);
    border-radius: 0 6px 6px 0;
    padding: 10px 12px;
    line-height: 1.7;
    display: none;
}

.calc-imm-detail.visible {
    display: block;
}

/* ── RESPONSIVE ── */
@media (max-width: 640px) {
    .calc-imm-wrapper {
        padding: 16px;
        gap: 16px;
    }

    .calc-imm-card {
        flex: 1 1 100%;
        padding: 20px 18px;
    }

    .calc-imm-result-value {
        font-size: 1.6rem;
    }
}

@media (max-width: 400px) {
    .calc-imm-row {
        flex-direction: column;
        gap: 10px;
    }
}