/* === reset & variables === */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bleu-noir: #001932;
    --rose: #e2017a;
    --bleu: #019ee0;
    --jaune: #ffed00;
    --blanc: #ffffff;
    --gris-10: #f4f6f9;
    --gris-20: #e8ecf2;
    --gris-50: #8a96a8;
    --gris-80: #3a4558;
    --radius: 16px;
    --radius-sm: 8px;
    --shadow: 0 4px 32px rgba(0, 25, 50, 0.10);
    --shadow-strong: 0 8px 48px rgba(0, 25, 50, 0.18);
    --font-display: "Syne", sans-serif;
    --font-body: "DM Sans", sans-serif;
    --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    background: var(--gris-10);
    color: var(--bleu-noir);
    min-height: 100vh;
    line-height: 1.6;
}

#app {
    min-height: 100vh;
}

/* === header === */

.app-header {
    background: var(--bleu-noir);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.1rem;
    letter-spacing: 0.18em;
    color: var(--jaune);
}

.tagline {
    font-size: 0.82rem;
    color: var(--gris-50);
    letter-spacing: 0.02em;
}

/* === layout === */

.main-content {
    max-width: 640px;
    margin: 0 auto;
    padding: 24px 16px 64px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* === cards === */

.card {
    background: var(--blanc);
    border-radius: var(--radius);
    padding: 28px 24px;
    box-shadow: var(--shadow);
}

.card-label {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--rose);
    margin-bottom: 12px;
}

.card--hero h1 {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 5vw, 2rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 16px;
    color: var(--bleu-noir);
}

.intro {
    font-size: 0.92rem;
    color: var(--gris-80);
    margin-bottom: 28px;
    line-height: 1.7;
}

/* === formulaires === */

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.form-group label {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--gris-80);
    letter-spacing: 0.01em;
}

.form-group input[type="text"],
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--gris-20);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--bleu-noir);
    background: var(--blanc);
    outline: none;
    transition: border-color var(--transition);
    resize: vertical;
}

.form-group input[type="text"]:focus,
.form-group textarea:focus {
    border-color: var(--bleu);
}

/* === boutons === */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 999px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all var(--transition);
    text-decoration: none;
}

.btn--primary {
    background: var(--rose);
    color: var(--blanc);
    width: 100%;
    padding: 16px;
    font-size: 1rem;
}

.btn--primary:hover:not(:disabled) {
    background: #c50069;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(226, 1, 122, 0.32);
}

.btn--primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn--copy {
    background: var(--bleu-noir);
    color: var(--blanc);
    padding: 12px 20px;
    font-size: 0.88rem;
    white-space: nowrap;
    flex-shrink: 0;
}

.btn--copy:hover {
    background: var(--bleu);
}

/* === critères preview (structuration) === */

.card--criteres h2 {
    font-family: var(--font-display);
    font-size: clamp(1.1rem, 4vw, 1.4rem);
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--bleu-noir);
    line-height: 1.3;
}

.instructions-ia {
    font-size: 0.85rem;
    color: var(--gris-50);
    margin-bottom: 24px;
    font-style: italic;
}

.criteres-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.critere-item {
    border: 2px solid var(--gris-20);
    border-radius: var(--radius-sm);
    padding: 16px;
    background: var(--gris-10);
}

.critere-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}

.critere-nom {
    font-weight: 600;
    font-size: 0.95rem;
    flex: 1;
}

.critere-type {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 3px 10px;
    border-radius: 999px;
}

.critere-type--score {
    background: rgba(1, 158, 224, 0.12);
    color: var(--bleu);
}

.critere-type--binaire {
    background: rgba(226, 1, 122, 0.10);
    color: var(--rose);
}

.critere-poids {
    font-size: 0.72rem;
    color: var(--gris-50);
    font-weight: 500;
}

.critere-poids--fort { color: var(--rose); font-weight: 700; }
.critere-poids--moyen { color: var(--bleu); }

.critere-description {
    font-size: 0.82rem;
    color: var(--gris-80);
}

/* === zone de vote === */

.card--vote h1 {
    font-family: var(--font-display);
    font-size: clamp(1.1rem, 4vw, 1.5rem);
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--bleu-noir);
    line-height: 1.3;
}

.criteres-vote {
    margin: 20px 0;
}

/* séparateur entre critères — pas de boîte */

.vote-item {
    padding: 20px 0;
    border-bottom: 1px solid var(--gris-20);
}

.vote-item:last-child {
    border-bottom: none;
}

.vote-label {
    display: block;
    font-weight: 600;
    font-size: 1rem;
    color: var(--bleu-noir);
    margin-bottom: 16px;
    line-height: 1.4;
}

/* slider flat */

.slider-row {
    display: grid;
    grid-template-columns: 24px 1fr 24px 40px;
    align-items: center;
    gap: 10px;
}

.slider-bound {
    font-size: 0.78rem;
    color: var(--gris-50);
    text-align: center;
    font-weight: 500;
}

.slider-val {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--rose);
    text-align: right;
    line-height: 1;
}

input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 999px;
    background: linear-gradient(to right, var(--rose) var(--pct, 60%), var(--gris-20) var(--pct, 60%));
    outline: none;
    cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--blanc);
    border: 3px solid var(--rose);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(226, 1, 122, 0.25);
    transition: transform var(--transition);
}

input[type="range"]:active::-webkit-slider-thumb {
    transform: scale(1.15);
}

/* textarea libre */

.vote-textarea {
    width: 100%;
    padding: 14px;
    border: 2px solid var(--gris-20);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--bleu-noir);
    background: var(--blanc);
    outline: none;
    resize: vertical;
    transition: border-color var(--transition);
    line-height: 1.6;
}

.vote-textarea:focus {
    border-color: var(--bleu);
}

.vote-textarea::placeholder {
    color: var(--gris-50);
    font-style: italic;
}

/* === phrases d'attente défilantes === */

.phrase-attente {
    font-size: 0.85rem;
    color: var(--gris-50);
    font-style: italic;
    text-align: center;
    margin-top: 14px;
    min-height: 1.4em;
    animation: fadePhrase 0.5s ease;
}

@keyframes fadePhrase {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* === session créée === */

.card--success h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--bleu-noir);
}

.share-block {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
}

.share-block input,
.share-result input {
    flex: 1;
    padding: 12px 14px;
    border: 2px solid var(--gris-20);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--gris-80);
    background: var(--gris-10);
    outline: none;
    min-width: 0;
}

.hint {
    font-size: 0.82rem;
    color: var(--gris-50);
    margin-bottom: 16px;
}

.hint--small {
    font-size: 0.75rem;
    margin-top: 12px;
    margin-bottom: 0;
}

.participants-count {
    font-size: 0.92rem;
    color: var(--bleu-noir);
    font-weight: 600;
    margin-bottom: 8px;
    padding: 12px 16px;
    background: var(--gris-10);
    border-radius: var(--radius-sm);
    text-align: center;
}

/* === résultat === */

.card--result h1 {
    font-family: var(--font-display);
    font-size: clamp(1.1rem, 4vw, 1.5rem);
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--bleu-noir);
    line-height: 1.3;
}

.result-final {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.decision-block {
    background: var(--bleu-noir);
    color: var(--blanc);
    border-radius: var(--radius-sm);
    padding: 24px;
}

.decision-label {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--jaune);
    margin-bottom: 10px;
}

.decision-title {
    font-family: var(--font-display);
    font-size: clamp(1.3rem, 5vw, 1.8rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 6px;
}

.decision-score {
    font-size: 0.78rem;
    color: var(--gris-50);
    margin-bottom: 14px;
}

.decision-raison {
    font-size: 0.88rem;
    line-height: 1.7;
    color: var(--gris-20);
}

.alternatives-block {
    border: 2px solid var(--gris-20);
    border-radius: var(--radius-sm);
    padding: 18px;
}

.alt-label {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    color: var(--gris-50);
    margin-bottom: 12px;
}

.alt-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 10px 0;
    border-bottom: 1px solid var(--gris-20);
}

.alt-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.alt-item strong {
    font-size: 0.92rem;
}

.alt-item span {
    font-size: 0.80rem;
    color: var(--gris-50);
}

.message-humain {
    background: rgba(1, 158, 224, 0.07);
    border-left: 3px solid var(--bleu);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 16px 20px;
    font-size: 0.90rem;
    line-height: 1.75;
    color: var(--bleu-noir);
}

.share-result {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 20px 24px;
    background: var(--blanc);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.share-result p {
    font-size: 0.82rem;
    color: var(--gris-50);
}

.share-result .share-result-row {
    display: flex;
    gap: 10px;
}

/* === états de chargement === */

.btn-loader {
    animation: pulse 1.2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* === utilitaires === */

.mt-l { margin-top: 24px; }

.error-page {
    max-width: 400px;
    margin: 80px auto;
    text-align: center;
    padding: 24px;
}

.error-page h1 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.error-page p {
    color: var(--gris-50);
    margin-bottom: 24px;
}

/* === notifications inline === */

.notif {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    margin-top: 12px;
}

.notif--error {
    background: rgba(226, 1, 122, 0.08);
    color: var(--rose);
    border: 1px solid rgba(226, 1, 122, 0.20);
}

.notif--success {
    background: rgba(1, 158, 224, 0.08);
    color: var(--bleu);
    border: 1px solid rgba(1, 158, 224, 0.20);
}

/* === responsive 1000px === */

@media (min-width: 1000px) {
    .main-content {
        padding: 40px 24px 80px;
    }

    .card {
        padding: 36px 32px;
    }

    .app-header {
        padding: 24px 40px;
    }

    .logo {
        font-size: 1.2rem;
    }
}