/* ═══════════════════════════════════════════════
   Simulateur Action Collective Booking.com
   v2.2 — Flat/integrated design
   Scoped under #sim-booking-root
   ═══════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400&family=Playfair+Display:wght@400;600;700;800&display=swap');

#sim-booking-root {
    --sb-navy: #1B2A41;
    --sb-slate: #324A5F;
    --sb-green: #059669;
    --sb-green-light: #10b981;
    --sb-gray: #718096;
    --sb-gray-light: #a0aec0;
    --sb-border: #e2e8f0;
    --sb-bg: #f8fafc;
    --sb-ff: 'DM Sans', sans-serif;
    --sb-ffs: 'Playfair Display', Georgia, serif;

    width: 100%;
    max-width: 700px;
    margin: 0 auto;
    padding: 8px 0 40px;
    font-family: var(--sb-ff);
    font-size: 15px;
    line-height: 1.5;
    color: var(--sb-navy);
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

#sim-booking-root *,
#sim-booking-root *::before,
#sim-booking-root *::after {
    box-sizing: border-box;
}

/* ── Animations ── */

@keyframes sb-slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes sb-scaleIn {
    0%   { opacity: 0; transform: scale(0.85); }
    60%  { transform: scale(1.03); }
    100% { opacity: 1; transform: scale(1); }
}

@keyframes sb-fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

#sim-booking-root .sb-animate-in {
    animation: sb-slideUp .4s cubic-bezier(.4, 0, .2, 1) both;
}

#sim-booking-root .sb-est-animate .sb-est-card--basse {
    animation: sb-scaleIn .55s cubic-bezier(.4, 0, .2, 1) .1s both;
}
#sim-booking-root .sb-est-animate .sb-est-card--haute {
    animation: sb-scaleIn .55s cubic-bezier(.4, 0, .2, 1) .3s both;
}

#sim-booking-root .sb-fade-in-delayed {
    animation: sb-fadeIn .4s ease .6s both;
}

/* ── Progress ── */

#sim-booking-root .sb-progress {
    margin-bottom: 36px;
}
#sim-booking-root .sb-progress-labels {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}
#sim-booking-root .sb-progress-labels span {
    font-size: 13px;
    font-family: var(--sb-ff);
    letter-spacing: .02em;
    transition: all .3s;
}
#sim-booking-root .sb-progress-labels span.active {
    font-weight: 700;
    color: var(--sb-navy);
}
#sim-booking-root .sb-progress-labels span.inactive {
    font-weight: 400;
    color: var(--sb-gray-light);
}
#sim-booking-root .sb-progress-bar {
    height: 4px;
    background: var(--sb-border);
    border-radius: 4px;
    overflow: hidden;
}
#sim-booking-root .sb-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--sb-navy), var(--sb-slate));
    border-radius: 4px;
    transition: width .5s cubic-bezier(.4,0,.2,1);
}

/* ── Typography ── */

#sim-booking-root .sb-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--sb-navy);
    font-family: var(--sb-ffs);
    margin: 0 0 6px;
    padding: 0;
    line-height: 1.3;
    border: none;
    background: none;
    text-transform: none;
    letter-spacing: normal;
}
#sim-booking-root .sb-subtitle {
    font-size: 14px;
    color: var(--sb-gray);
    line-height: 1.6;
    margin: 0 0 24px;
}

/* ── Radio cards ── */

#sim-booking-root .sb-cards {
    display: grid;
    gap: 12px;
    margin-top: 12px;
}
#sim-booking-root .sb-cards--4 { grid-template-columns: repeat(4, 1fr); }
#sim-booking-root .sb-cards--3 { grid-template-columns: repeat(3, 1fr); }
#sim-booking-root .sb-cards--2 { grid-template-columns: repeat(2, 1fr); }

#sim-booking-root .sb-card-option {
    padding: 24px 16px;
    border: 2px solid var(--sb-border);
    border-radius: 14px;
    background: #fff;
    cursor: pointer;
    text-align: center;
    transition: border-color .2s, background .2s, box-shadow .2s;
    font-family: var(--sb-ff);
}
#sim-booking-root .sb-card-option:hover {
    border-color: var(--sb-gray-light);
    background: #fafbfc;
}
#sim-booking-root .sb-card-option.selected {
    border-color: var(--sb-navy);
    background: #EEF2F7;
    box-shadow: 0 4px 16px rgba(27,42,65,.1);
}
#sim-booking-root .sb-card-option .icon { font-size: 30px; margin-bottom: 8px; }
#sim-booking-root .sb-card-option .label { font-weight: 600; font-size: 15px; color: var(--sb-navy); }
#sim-booking-root .sb-card-option .sub { font-size: 12px; color: var(--sb-gray); margin-top: 3px; }

/* ── Slider ── */

#sim-booking-root .sb-slider-group { margin-bottom: 28px; }
#sim-booking-root .sb-slider-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 8px;
}
#sim-booking-root .sb-slider-label {
    font-weight: 600;
    font-size: 15px;
    color: var(--sb-navy);
    font-family: var(--sb-ff);
}
#sim-booking-root .sb-slider-value {
    font-weight: 700;
    font-size: 22px;
    color: var(--sb-slate);
    font-family: var(--sb-ffs);
}
#sim-booking-root .sb-slider {
    padding: 4px 0;
}
#sim-booking-root .sb-slider input[type="range"] {
    width: 100%;
    height: 6px;
    appearance: none;
    -webkit-appearance: none;
    outline: none;
    border-radius: 3px;
    cursor: pointer;
    accent-color: var(--sb-slate);
    margin: 8px 0;
    padding: 0;
    border: none;
    box-shadow: none;
}
#sim-booking-root .sb-slider input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--sb-slate);
    cursor: grab;
    box-shadow: 0 2px 8px rgba(50,74,95,.35);
    border: 3px solid #fff;
    transition: transform .15s, box-shadow .15s;
}
#sim-booking-root .sb-slider input[type="range"]::-webkit-slider-thumb:active {
    cursor: grabbing;
    transform: scale(1.15);
    box-shadow: 0 3px 14px rgba(50,74,95,.5);
}
#sim-booking-root .sb-slider input[type="range"]::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--sb-slate);
    cursor: grab;
    box-shadow: 0 2px 8px rgba(50,74,95,.35);
    border: 3px solid #fff;
}
#sim-booking-root .sb-slider input[type="range"]::-moz-range-thumb:active {
    cursor: grabbing;
}
#sim-booking-root .sb-slider-range {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--sb-gray-light);
    margin-top: 2px;
}
#sim-booking-root .sb-slider-help {
    font-size: 13px;
    color: var(--sb-gray);
    margin-top: 6px;
    font-style: italic;
}

/* ── Inputs ── */

#sim-booking-root .sb-input-group { margin-bottom: 16px; }
#sim-booking-root .sb-input-group label {
    display: block;
    font-weight: 600;
    font-size: 14px;
    color: var(--sb-navy);
    margin-bottom: 6px;
    font-family: var(--sb-ff);
}
#sim-booking-root .sb-input-group label .req { color: #c53030; }
#sim-booking-root .sb-input-group input,
#sim-booking-root .sb-input-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--sb-border);
    border-radius: 10px;
    font-size: 15px;
    font-family: var(--sb-ff);
    color: var(--sb-navy);
    outline: none;
    transition: border-color .2s;
    box-sizing: border-box;
    background: #fff;
    height: auto;
    line-height: 1.4;
    margin: 0;
}
#sim-booking-root .sb-input-group input:focus,
#sim-booking-root .sb-input-group select:focus {
    border-color: var(--sb-slate);
}
#sim-booking-root .sb-input-group input.sb-invalid {
    border-color: #e53e3e;
    background: #fff5f5;
}

/* Placeholder styling */
#sim-booking-root .sb-input-group input::placeholder {
    color: var(--sb-gray-light) !important;
    opacity: 1;
    font-weight: 400;
}
#sim-booking-root .sb-input-group input::-webkit-input-placeholder {
    color: var(--sb-gray-light) !important;
    opacity: 1;
    font-weight: 400;
}
#sim-booking-root .sb-input-group input::-moz-placeholder {
    color: var(--sb-gray-light) !important;
    opacity: 1;
    font-weight: 400;
}

/* Grid helpers */
#sim-booking-root .sb-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

/* ── Buttons ── */

#sim-booking-root .sb-btn {
    padding: 14px 24px;
    border: 2px solid var(--sb-border);
    border-radius: 10px;
    background: transparent;
    color: var(--sb-gray);
    font-size: 15px;
    font-weight: 600;
    font-family: var(--sb-ff);
    cursor: pointer;
    transition: all .2s;
    line-height: 1.4;
}
#sim-booking-root .sb-btn:hover {
    border-color: var(--sb-gray);
    color: var(--sb-navy);
}

#sim-booking-root .sb-btn-primary {
    padding: 14px 28px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--sb-navy), var(--sb-slate));
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    font-family: var(--sb-ff);
    cursor: pointer;
    transition: opacity .2s, box-shadow .2s, transform .15s;
    box-shadow: 0 4px 16px rgba(50,74,95,.25);
    letter-spacing: .01em;
    line-height: 1.4;
}
#sim-booking-root .sb-btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(50,74,95,.35);
}
#sim-booking-root .sb-btn-primary:disabled {
    opacity: .35;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

/* ── Nav ── */

#sim-booking-root .sb-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 32px;
    gap: 12px;
}

/* ── Estimation cards ── */

#sim-booking-root .sb-est-overline {
    font-size: 12px;
    color: var(--sb-gray);
    letter-spacing: .1em;
    text-transform: uppercase;
    margin-bottom: 6px;
    font-weight: 600;
}

#sim-booking-root .sb-est-cards {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin: 32px 0;
}
#sim-booking-root .sb-est-card {
    flex: 1;
    max-width: 260px;
    padding: 28px 20px;
    border-radius: 16px;
    text-align: center;
}
#sim-booking-root .sb-est-card--basse {
    background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
    border: 1px solid rgba(50,74,95,.08);
    box-shadow: 0 8px 30px rgba(50,74,95,.06);
}
#sim-booking-root .sb-est-card--haute {
    background: linear-gradient(135deg, #eff6ff, #dbeafe);
    border: 1px solid rgba(27,42,65,.08);
    box-shadow: 0 8px 30px rgba(27,42,65,.08);
}
#sim-booking-root .sb-est-label {
    font-size: 11px;
    color: var(--sb-gray);
    margin-bottom: 8px;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
    font-family: var(--sb-ff);
}
#sim-booking-root .sb-est-value {
    font-size: 36px;
    font-weight: 800;
    font-family: var(--sb-ffs);
    line-height: 1.1;
}
#sim-booking-root .sb-est-value--basse { color: var(--sb-slate); }
#sim-booking-root .sb-est-value--haute { color: var(--sb-navy); }

/* ── Boxes ── */

#sim-booking-root .sb-box {
    padding: 16px 20px;
    border-radius: 12px;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 12px;
}
#sim-booking-root .sb-box--info   { background: #f8fafc; border: 1px solid var(--sb-border); color: #64748b; }
#sim-booking-root .sb-box--orange { background: #fff7ed; border: 1px solid #fed7aa; color: #9a3412; }

/* ── Checkbox ── */

#sim-booking-root .sb-checkbox-label {
    display: flex;
    gap: 10px;
    cursor: pointer;
    align-items: flex-start;
    font-size: 13px;
    line-height: 1.5;
    color: var(--sb-gray);
}
#sim-booking-root .sb-checkbox-label input[type="checkbox"] {
    margin-top: 3px;
    accent-color: #34d399;
    width: 18px;
    height: 18px;
    min-width: 18px;
    cursor: pointer;
    flex-shrink: 0;
}

/* ── Misc ── */

#sim-booking-root .sb-link { color: var(--sb-slate); text-decoration: underline; }
#sim-booking-root .sb-link:hover { color: var(--sb-navy); }
#sim-booking-root .sb-muted { font-size: 12px; color: var(--sb-gray-light); }
#sim-booking-root a { color: inherit; }

/* ── Section labels ── */

#sim-booking-root .sb-section-label {
    font-size: 13px;
    font-weight: 700;
    color: var(--sb-gray);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-bottom: 12px;
    margin-top: 20px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--sb-border);
}
#sim-booking-root .sb-section-label:first-of-type {
    margin-top: 0;
}

/* ── Text button (toggle link) ── */

#sim-booking-root .sb-text-btn {
    background: none;
    border: none;
    color: var(--sb-slate);
    font-family: var(--sb-ff);
    font-size: 13px;
    font-weight: 600;
    text-decoration: underline;
    cursor: pointer;
    padding: 0;
    transition: color .2s;
}
#sim-booking-root .sb-text-btn:hover {
    color: var(--sb-navy);
}

/* ── Select ── */

#sim-booking-root .sb-input-group select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23718096' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

/* ── Responsive ── */

@media (max-width: 700px) {
    #sim-booking-root {
        padding: 8px 0 32px;
    }
    #sim-booking-root .sb-cards--4 {
        grid-template-columns: repeat(2, 1fr);
    }
    #sim-booking-root .sb-grid-2 {
        grid-template-columns: 1fr;
        gap: 0;
    }
    #sim-booking-root .sb-est-cards {
        flex-direction: column;
        align-items: center;
    }
    #sim-booking-root .sb-est-card {
        max-width: 100%;
        width: 100%;
    }
    #sim-booking-root .sb-est-value {
        font-size: 28px;
    }
    #sim-booking-root .sb-slider-header {
        flex-wrap: wrap;
        gap: 2px;
    }
    #sim-booking-root .sb-slider-label {
        font-size: 14px;
    }
    #sim-booking-root .sb-slider-value {
        font-size: 18px;
    }
    #sim-booking-root .sb-title {
        font-size: 20px;
    }
    #sim-booking-root .sb-progress-labels {
        gap: 4px;
    }
    #sim-booking-root .sb-progress-labels span {
        font-size: 11px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    #sim-booking-root .sb-nav {
        flex-direction: column-reverse;
        gap: 8px;
    }
    #sim-booking-root .sb-nav .sb-btn,
    #sim-booking-root .sb-nav .sb-btn-primary {
        width: 100%;
        text-align: center;
    }
    #sim-booking-root .sb-card-option {
        padding: 16px 10px;
    }
    #sim-booking-root .sb-card-option .icon {
        font-size: 24px;
    }
    #sim-booking-root .sb-card-option .label {
        font-size: 13px;
    }
    #sim-booking-root .sb-progress-labels span {
        font-size: 10px;
        letter-spacing: 0;
    }
    #sim-booking-root .sb-slider-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
    }
}

@media (max-width: 360px) {
    #sim-booking-root .sb-cards--4 {
        grid-template-columns: 1fr;
    }
}