/* ==========================================================================
   Leavus — feuille de style
   Toutes les couleurs, rayons et ombres passent par les variables :root.
   ========================================================================== */

:root {
    /* Surfaces */
    --bg: #f7f9fa;
    --surface: #ffffff;
    --surface-muted: #f8fafc;
    --surface-sunken: #f1f5f9;

    /* Texte */
    --text: #1a2332;
    --muted: #64748b;
    --placeholder: #a3acb9;

    /* Traits */
    --line: rgba(26, 35, 50, 0.06);
    --line-strong: rgba(26, 35, 50, 0.12);

    /* Accent (émeraude) — unique pour électricité et gaz */
    --accent: #10b981;          /* décor : traits, pastilles, bordures */
    --accent-strong: #059669;   /* fonds pleins sous texte blanc */
    --accent-text: #047857;     /* texte vert lisible sur blanc (AA) */
    --accent-deep: #065f46;
    --accent-grad: linear-gradient(135deg, var(--accent-strong) 0%, var(--accent-text) 100%);
    --accent-grad-light: linear-gradient(135deg, #34d399 0%, var(--accent-strong) 100%);
    --accent-soft: rgba(16, 185, 129, 0.10);
    --accent-glow: rgba(16, 185, 129, 0.18);
    --accent-ring: rgba(16, 185, 129, 0.28);

    /* États */
    --danger: #dc2626;
    --danger-text: #b91c1c;
    --warn-bg: #fef3c7;
    --warn-text: #92400e;

    /* Formes */
    --radius-sm: 10px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-pill: 999px;

    /* Ombres */
    --shadow-xs: 0 2px 6px rgba(26, 35, 50, 0.03);
    --shadow-sm: 0 4px 12px rgba(26, 35, 50, 0.04);
    --shadow-card: 0 10px 40px rgba(26, 35, 50, 0.05), 0 2px 10px rgba(26, 35, 50, 0.03);
    --shadow-accent: 0 6px 20px var(--accent-glow);
    --shadow-accent-lg: 0 15px 35px var(--accent-glow);

    /* Typo & mouvement */
    --font-body: 'Outfit', system-ui, sans-serif;
    --font-display: 'Syne', 'Outfit', sans-serif;
    --font-mono: ui-monospace, 'SFMono-Regular', Menlo, monospace;
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Base ---------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body { font-family: var(--font-body); background: var(--bg); color: var(--text); }
[hidden] { display: none !important; }

:where(button, input, summary, a):focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.simple-page { max-width: 650px; margin: 0 auto; padding: 4rem 1rem; text-align: center; }
.simple-page a { color: var(--accent-text); }

/* --- Page & décor -------------------------------------------------------- */
.page-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    position: relative;
    overflow: hidden;
}

.ambient-glow-1,
.ambient-glow-2,
.bg-grid {
    position: absolute;
    pointer-events: none;
    z-index: 1;
}

.ambient-glow-1 {
    width: 500px;
    height: 500px;
    top: -10%;
    left: -10%;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
}

.ambient-glow-2 {
    width: 600px;
    height: 600px;
    bottom: -10%;
    right: -10%;
    background: radial-gradient(circle, var(--accent-soft) 0%, transparent 70%);
}

.bg-grid {
    inset: 0;
    background-image:
        linear-gradient(var(--line) 1px, transparent 1px),
        linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(circle at 50% 50%, black 30%, transparent 75%);
}

.container {
    width: 100%;
    max-width: 650px;
    z-index: 2;
    animation: fadeIn 0.6s var(--ease-out);
}

.main-card {
    background: var(--surface);
    border-radius: var(--radius-2xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
}

/* --- Barre de progression ------------------------------------------------ */
.progress-container {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2.5rem;
    position: relative;
}

.progress-line-bg,
.progress-line-active {
    position: absolute;
    top: 14px;
    left: 0;
    height: 2px;
}

.progress-line-bg { right: 0; background: var(--line); z-index: 1; }

.progress-line-active {
    background: var(--accent-grad-light);
    transition: width 0.4s ease;
    z-index: 2;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 25%;
    z-index: 3;
}

.step-number {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--surface-sunken);
    border: 2px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--muted);
    transition: all 0.3s ease;
}

.progress-step.active .step-number,
.progress-step.completed .step-number {
    background: var(--accent-strong);
    border-color: var(--accent-strong);
    color: #fff;
}

.progress-step.active .step-number { box-shadow: 0 0 0 4px var(--accent-soft); }

.step-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--muted);
    margin-top: 0.5rem;
    text-align: center;
    transition: color 0.3s ease;
}

.progress-step.active .step-label { color: var(--text); font-weight: 600; }
.progress-step.completed .step-label { color: var(--accent-text); }

/* --- Titres -------------------------------------------------------------- */
.step-title {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    text-align: center;
    letter-spacing: -0.01em;
    margin: 0 0 0.5rem;
}

.step-title.is-accent { color: var(--accent-text); }

.step-subtitle {
    color: var(--muted);
    text-align: center;
    font-size: 0.95rem;
    font-weight: 300;
    margin: 0 0 2rem;
}

.step-subtitle.is-tight { margin-bottom: 1.5rem; }

/* --- Étape 1 : choix de l'énergie ---------------------------------------- */
.energy-buttons-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 1rem;
}

.energy-btn {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    padding: 2.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-family: inherit;
    color: var(--text);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out), border-color 0.4s var(--ease-out);
}

.energy-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--accent-grad-light);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 1;
}

.energy-btn:hover,
.energy-btn:focus-visible {
    transform: translateY(-5px);
    border-color: transparent;
    box-shadow: var(--shadow-accent-lg);
}

.energy-btn:hover::before,
.energy-btn:focus-visible::before { opacity: 0.12; }

.energy-icon-wrapper {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: var(--surface-muted);
    border: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.2rem;
    transition: all 0.4s ease;
    z-index: 2;
}

.energy-btn:hover .energy-icon-wrapper,
.energy-btn:focus-visible .energy-icon-wrapper {
    background: var(--accent-soft);
    border-color: var(--accent-ring);
    box-shadow: 0 0 20px var(--accent-glow);
    transform: scale(1.1);
}

.energy-btn span {
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    z-index: 2;
}

.energy-btn p {
    font-size: 0.8rem;
    color: var(--muted);
    margin: 0.4rem 0 0;
    text-align: center;
    font-weight: 300;
    z-index: 2;
}

/* --- Étape 2 : numéro de compteur ---------------------------------------- */
.form-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.meter-visual {
    margin: 1rem 0 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.meter-visual svg { filter: drop-shadow(0 12px 24px rgba(26, 35, 50, 0.12)); }

.input-group {
    width: 100%;
    margin-bottom: 1.5rem;
    position: relative;
}

.input-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--muted);
    margin-bottom: 0.6rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.input-large {
    width: 100%;
    background: var(--surface);
    border: 2px solid var(--line-strong);
    border-radius: 14px;
    color: var(--text);
    padding: 1.1rem 1.3rem;
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-align: center;
    font-family: var(--font-mono);
    outline: none;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.input-large::placeholder {
    letter-spacing: 0.05em;
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--placeholder);
    font-family: var(--font-body);
}

.input-large:focus,
.focus-elec:focus,
.focus-gas:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-soft);
}

.meter-note {
    font-style: italic;
    font-size: 0.8rem;
    font-weight: 300;
    color: var(--muted);
    line-height: 1.5;
    margin: 0.75rem 0 0;
}
.meter-note p { margin: 0 0 0.35rem; }
.meter-note p:last-child { margin-bottom: 0; }

.error-message {
    color: var(--danger);
    font-size: 0.85rem;
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    animation: shake 0.3s ease;
}

/* --- Boutons ------------------------------------------------------------- */
.actions-row {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 2rem;
    width: 100%;
}

.btn {
    padding: 0.95rem 1.8rem;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease, border-color 0.3s ease;
}

.btn-block { width: 100%; }

.btn-back {
    background: var(--surface);
    border: 1px solid var(--line-strong);
    color: var(--text);
    box-shadow: var(--shadow-xs);
}

.btn-back:hover { background: var(--surface-muted); border-color: rgba(26, 35, 50, 0.2); }

.btn-next,
.btn-next-elec,
.btn-next-gas {
    flex-grow: 1;
    color: #fff;
    background: var(--accent-grad);
    box-shadow: 0 4px 12px var(--accent-glow);
}

.btn-next:hover,
.btn-next-elec:hover,
.btn-next-gas:hover {
    box-shadow: var(--shadow-accent);
    transform: translateY(-2px);
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* --- Étape 3 : synthèse du compteur -------------------------------------- */
.meter-summary,
.offers-notice,
.recap-box {
    background: var(--surface-muted);
    border: 1px solid var(--line);
}

.meter-summary {
    border-radius: var(--radius-lg);
    padding: 1.2rem 1.4rem;
    margin-bottom: 1.5rem;
}

.summary-head { display: flex; justify-content: space-between; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.summary-head h3 { margin: 0; font-size: 1.05rem; font-weight: 600; }

.summary-badge,
.offer-badge {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-pill);
}

.summary-badge { background: var(--warn-bg); color: var(--warn-text); }

.summary-period { font-size: 0.8rem; color: var(--muted); margin: 0.3rem 0 1rem; }
.summary-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.8rem; margin-bottom: 1rem; }
.summary-kpi { background: var(--surface); border-radius: var(--radius-md); padding: 0.8rem; box-shadow: var(--shadow-xs); }
.summary-kpi span { display: block; font-size: 0.7rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.summary-kpi strong { display: block; font-size: 1.15rem; font-weight: 700; margin-top: 0.2rem; color: var(--accent-text); font-variant-numeric: tabular-nums; }

.summary-contract { display: grid; grid-template-columns: auto 1fr; gap: 0.3rem 1rem; font-size: 0.85rem; margin: 0 0 0.8rem; }
.summary-contract dt { color: var(--muted); }
.summary-contract dd { margin: 0; text-align: right; font-weight: 500; }

.summary-months summary { cursor: pointer; font-size: 0.85rem; font-weight: 500; color: var(--accent-text); }
.summary-months table { width: 100%; border-collapse: collapse; font-size: 0.85rem; margin-top: 0.6rem; }
.summary-months th, .summary-months td { padding: 0.4rem 0.3rem; border-bottom: 1px solid var(--line); text-align: left; }
.summary-months th { color: var(--muted); font-weight: 500; }
.summary-months .num { text-align: right; font-variant-numeric: tabular-nums; }

/* --- Étape 3 : offres ---------------------------------------------------- */
.offers-notice {
    border-radius: var(--radius-md);
    padding: 0.8rem 1rem;
    font-size: 0.85rem;
    color: var(--muted);
    margin-bottom: 1.2rem;
}

.offers-loading { text-align: center; color: var(--muted); padding: 2rem 0; }
.offers-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 1rem; }

.offer-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 1.2rem 1.4rem;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.4rem 1rem;
    align-items: center;
    box-shadow: var(--shadow-sm);
}

.offer-card.best { border-color: var(--accent); box-shadow: var(--shadow-accent); }

.offer-badge {
    grid-column: 1 / -1;
    justify-self: start;
    background: var(--accent-grad);
    color: #fff;
}

.offer-provider { font-weight: 600; font-size: 1.05rem; }
.offer-name { color: var(--muted); font-size: 0.9rem; }
.offer-price { text-align: right; }
.offer-price strong { display: block; font-size: 1.4rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.offer-price span { font-size: 0.8rem; color: var(--muted); }

.offer-details {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.3rem 1rem;
    font-size: 0.85rem;
    border-top: 1px solid var(--line);
    padding-top: 0.7rem;
    margin: 0.3rem 0 0;
}
.offer-details dt { color: var(--muted); }
.offer-details dd { margin: 0; text-align: right; font-weight: 500; }

.offer-card .btn { grid-column: 1 / -1; margin-top: 0.5rem; }

.offers-footnote { font-size: 0.75rem; color: var(--muted); font-style: italic; margin: 1rem 0 0; text-align: center; }

/* Accordéon « autres offres » */
.offers-more { margin-top: 1rem; }

.offers-toggle {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    background: var(--surface);
    border: 1px dashed var(--line-strong);
    border-radius: var(--radius-md);
    padding: 0.8rem 1rem;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text);
    cursor: pointer;
    transition: border-color 0.3s ease, background 0.3s ease;
}
.offers-toggle:hover { border-color: var(--accent); background: var(--surface-muted); }
.offers-toggle-icon { transition: transform 0.3s ease; color: var(--accent-text); }
.offers-more.open .offers-toggle-icon { transform: rotate(180deg); }

.offers-others {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.35s ease;
}
.offers-others > .offers-list { overflow: hidden; min-height: 0; }
.offers-more.open .offers-others { grid-template-rows: 1fr; }
.offers-more.open .offers-others > .offers-list { padding-top: 1rem; }
.offers-more:not(.open) .offers-others { visibility: hidden; }

/* --- Étape 4 : récapitulatif --------------------------------------------- */
.success-wrapper {
    text-align: center;
    padding: 1rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.success-icon-container {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--accent-soft);
    border: 2px solid var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--accent-text);
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 20px var(--accent-glow);
    animation: pop-in 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.recap-box {
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    width: 100%;
    margin: 2rem 0;
    text-align: left;
}

.recap-title {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--muted);
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--line);
    padding-bottom: 0.5rem;
}

.recap-row {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}
.recap-row:last-child { margin-bottom: 0; }
.recap-label { color: var(--muted); }
.recap-val { font-weight: 500; color: var(--text); text-align: right; font-variant-numeric: tabular-nums; }

.recap-save-status {
    margin: -0.5rem 0 1.25rem;
    font-size: 0.9rem;
    text-align: center;
    color: var(--muted);
}
.recap-save-status.ok { color: var(--accent-text); }
.recap-save-status.error { color: var(--danger-text); }

/* --- Animations ---------------------------------------------------------- */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-6px); }
    40%, 80% { transform: translateX(6px); }
}

@keyframes pop-in {
    0% { transform: scale(0.5); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* --- Responsive ---------------------------------------------------------- */
@media (max-width: 580px) {
    .main-card { padding: 1.5rem; }
    .energy-buttons-grid { grid-template-columns: 1fr; gap: 1rem; }
    .summary-kpis { grid-template-columns: 1fr; }
    .offer-card { grid-template-columns: 1fr; }
    .offer-price { text-align: left; }
    .step-label { font-size: 0.7rem; }
}