/* =====================================================================
   Validateur de mot de passe — feuille de style
   Thème clair + sombre (prefers-color-scheme), méteur segmenté,
   icônes SVG, halo de carte. Aucune dépendance externe.
   ===================================================================== */

:root {
    color-scheme: light dark;

    /* Sémantique force */
    --red: #e5484d;
    --orange: #f5a524;
    --yellow: #d9a300;
    --green: #16a34a;
    --green-bright: #22c55e;

    /* Accent marque (indigo → violet) */
    --accent: #3b82f6;
    --accent-2: #2563eb;

    /* Surfaces & texte — clair */
    --text: #191b22;
    --muted: #667085;
    --card-bg: #ffffff;
    --card-border: rgba(17, 20, 45, 0.09);
    --field-bg: #ffffff;
    --field-border: rgba(17, 20, 45, 0.16);
    --track: #e7e9f0;
    --chip-bg: rgba(99, 102, 241, 0.09);
    --ghost-bg: rgba(17, 20, 45, 0.04);
    --ghost-bg-hover: rgba(17, 20, 45, 0.08);
    --page-bg-1: #eef1ff;
    --page-bg-2: #f3f0ff;
    --page-bg-3: #eafaf3;
    --glow-opacity: 0.55;
    --shadow: 0 24px 60px -22px rgba(31, 27, 74, 0.28), 0 4px 12px -4px rgba(31, 27, 74, 0.10);
}

@media (prefers-color-scheme: dark) {
    :root {
        --red: #ff6369;
        --orange: #ffb454;
        --yellow: #e8c14b;
        --green: #34d399;
        --green-bright: #4ade80;

        --accent: #60a5fa;
        --accent-2: #3b82f6;

        --text: #e9eaf3;
        --muted: #9aa0b4;
        --card-bg: #161822;
        --card-border: rgba(255, 255, 255, 0.09);
        --field-bg: #1d2030;
        --field-border: rgba(255, 255, 255, 0.14);
        --track: #2a2d3d;
        --chip-bg: rgba(129, 140, 248, 0.16);
        --ghost-bg: rgba(255, 255, 255, 0.05);
        --ghost-bg-hover: rgba(255, 255, 255, 0.10);
        --page-bg-1: #0b0d16;
        --page-bg-2: #0e1018;
        --page-bg-3: #0b1014;
        --glow-opacity: 0.42;
        --shadow: 0 28px 70px -24px rgba(0, 0, 0, 0.7), 0 4px 14px -4px rgba(0, 0, 0, 0.5);
    }
}

* { box-sizing: border-box; }

body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
    color: var(--text);
    margin: 0;
    padding: clamp(1rem, 5vh, 3.5rem) 1rem;
    line-height: 1.55;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(ellipse 70% 55% at 12% 0%, var(--page-bg-2), transparent 60%),
        radial-gradient(ellipse 60% 50% at 100% 100%, var(--page-bg-3), transparent 55%),
        var(--page-bg-1);
    -webkit-font-smoothing: antialiased;
}

/* ---------- Carte ---------- */

@keyframes cardEnter {
    from { opacity: 0; transform: translateY(16px) scale(0.985); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes glowDrift {
    0%, 100% { transform: translate(-6%, -4%) rotate(0deg); }
    50%      { transform: translate(6%, 6%) rotate(12deg); }
}

.card {
    position: relative;
    width: 100%;
    max-width: 500px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: clamp(1.5rem, 4vw, 2.4rem);
    box-shadow: var(--shadow);
    overflow: hidden;
    isolation: isolate;
    animation: cardEnter 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

/* liseré dégradé en haut de carte */
.card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--green-bright));
    opacity: 0.9;
}

.card-glow {
    position: absolute;
    z-index: -1;
    top: -35%;
    right: -25%;
    width: 70%;
    height: 70%;
    background: radial-gradient(circle at 50% 50%, var(--accent-2), transparent 70%);
    opacity: var(--glow-opacity);
    filter: blur(60px);
    animation: glowDrift 16s ease-in-out infinite;
}

/* ---------- En-tête ---------- */

.card-head {
    display: flex;
    gap: 0.9rem;
    align-items: flex-start;
    margin-bottom: 1.6rem;
}

.brand-badge {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    box-shadow: 0 8px 20px -8px var(--accent);
}

.brand-badge svg { width: 22px; height: 22px; }

.brand-badge.has-logo {
    background: none;
    box-shadow: none;
    width: auto;
    min-width: 42px;
    height: 42px;
    border-radius: 10px;
    overflow: hidden;
}

.brand-badge.has-logo img {
    height: 42px;
    width: auto;
    max-width: 160px;
    object-fit: contain;
    display: block;
}

h1 {
    font-size: 1.3rem;
    line-height: 1.25;
    margin: 0.15rem 0 0.3rem;
    letter-spacing: -0.01em;
}

.subtitle {
    color: var(--muted);
    font-size: 0.86rem;
    margin: 0;
}

/* ---------- Champ mot de passe ---------- */

.field-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    margin-bottom: 0.45rem;
}

.password-field {
    position: relative;
    display: flex;
    align-items: center;
}

.password-field input {
    width: 100%;
    padding: 0.8rem 3rem 0.8rem 0.95rem;
    font-size: 1rem;
    font-family: ui-monospace, "SF Mono", "Cascadia Code", "Roboto Mono", Menlo, Consolas, monospace;
    letter-spacing: 0.02em;
    color: var(--text);
    border: 1.5px solid var(--field-border);
    border-radius: 12px;
    outline: none;
    background: var(--field-bg);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.password-field input::placeholder {
    font-family: system-ui, sans-serif;
    letter-spacing: normal;
    color: var(--muted);
    opacity: 0.75;
}

.password-field input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 20%, transparent);
}

.password-field[data-score="rouge"]  input:focus { border-color: var(--red);    box-shadow: 0 0 0 4px color-mix(in srgb, var(--red) 22%, transparent); }
.password-field[data-score="orange"] input:focus { border-color: var(--orange); box-shadow: 0 0 0 4px color-mix(in srgb, var(--orange) 22%, transparent); }
.password-field[data-score="jaune"]  input:focus { border-color: var(--yellow); box-shadow: 0 0 0 4px color-mix(in srgb, var(--yellow) 22%, transparent); }
.password-field[data-score="vert"]   input:focus { border-color: var(--green);  box-shadow: 0 0 0 4px color-mix(in srgb, var(--green) 24%, transparent); }

.icon-btn {
    position: absolute;
    right: 0.45rem;
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    padding: 0;
    background: none;
    border: none;
    border-radius: 8px;
    color: var(--muted);
    cursor: pointer;
    transition: color 0.15s ease, background-color 0.15s ease, transform 0.15s ease;
}

.icon-btn:hover { color: var(--text); background: var(--ghost-bg-hover); }
.icon-btn:active { transform: scale(0.92); }
.icon-btn svg { width: 20px; height: 20px; }
.icon-btn .icon-eye-off { display: none; }
.icon-btn[aria-pressed="true"] .icon-eye { display: none; }
.icon-btn[aria-pressed="true"] .icon-eye-off { display: block; }

/* ---------- Barre d'outils (générer / copier / reset) ---------- */

.tools-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.7rem;
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.8rem;
    font-size: 0.82rem;
    font-weight: 600;
    font-family: inherit;
    color: var(--text);
    background: var(--ghost-bg);
    border: 1px solid transparent;
    border-radius: 9px;
    cursor: pointer;
    transition: background-color 0.15s ease, transform 0.12s ease, border-color 0.15s ease;
}

.btn-ghost:hover { background: var(--ghost-bg-hover); }
.btn-ghost:active { transform: translateY(1px); }
.btn-ghost svg { width: 15px; height: 15px; color: var(--accent); }
.btn-ghost[hidden] { display: none; }

#generate-btn { border-color: color-mix(in srgb, var(--accent) 30%, transparent); }
#generate-btn:hover { background: var(--chip-bg); }

.btn-ghost.copied { color: var(--green); border-color: color-mix(in srgb, var(--green) 40%, transparent); }
.btn-ghost.copied svg { color: var(--green); }

/* ---------- Méteur segmenté ---------- */

.strength {
    margin: 1.15rem 0 0.55rem;
}

.strength-segments {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
}

.strength-segments span {
    height: 7px;
    border-radius: 999px;
    background: var(--track);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.strength[data-score="rouge"]  .strength-segments span.on { background: var(--red); }
.strength[data-score="orange"] .strength-segments span.on { background: var(--orange); }
.strength[data-score="jaune"]  .strength-segments span.on { background: var(--yellow); }
.strength[data-score="vert"]   .strength-segments span.on {
    background: linear-gradient(90deg, var(--green), var(--green-bright));
    box-shadow: 0 0 10px color-mix(in srgb, var(--green) 55%, transparent);
}

.strength-message {
    font-size: 0.9rem;
    font-weight: 650;
    margin: 0 0 1.1rem;
    min-height: 1.3em;
    color: var(--muted);
    transition: color 0.2s ease;
}

.strength-message.rouge  { color: var(--red); }
.strength-message.orange { color: var(--orange); }
.strength-message.jaune  { color: var(--yellow); }
.strength-message.vert   { color: var(--green); }

.strength-message.pop { animation: messagePop 0.35s cubic-bezier(0.34, 1.56, 0.64, 1); }

@keyframes messagePop {
    0%   { transform: scale(0.92); opacity: 0.5; }
    60%  { transform: scale(1.035); }
    100% { transform: scale(1); opacity: 1; }
}

/* ---------- Checklist des critères ---------- */

.criteria-list {
    margin: 0 0 1rem;
    display: grid;
    gap: 1rem;
}

.criteria-group-title {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--muted);
    margin: 0 0 0.5rem;
}

.criteria-group ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.4rem;
}

.criteria-list li {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.86rem;
    color: var(--muted);
    transition: color 0.2s ease;
}

.criteria-list li .tick {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    border-radius: 999px;
    display: grid;
    place-items: center;
    border: 1.6px solid var(--field-border);
    color: transparent;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.criteria-list li .tick svg { width: 11px; height: 11px; display: none; }
.criteria-list li.ok  .tick .i-check { display: block; }
.criteria-list li.bad .tick .i-cross { display: block; }

.criteria-list li.ok {
    color: var(--text);
}

.criteria-list li.ok .tick {
    background: var(--green);
    border-color: var(--green);
    color: #fff;
}

.criteria-list li.bad {
    color: color-mix(in srgb, var(--red) 78%, var(--text));
}

.criteria-list li.bad .tick {
    border-color: color-mix(in srgb, var(--red) 55%, transparent);
    color: var(--red);
}

.criteria-list li .tick.pop { animation: tickPop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1); }

@keyframes tickPop {
    0%   { transform: scale(0.2) rotate(-25deg); }
    60%  { transform: scale(1.28) rotate(8deg); }
    100% { transform: scale(1) rotate(0deg); }
}

/* ---------- Badge d'entropie ---------- */

.entropy-info {
    font-size: 0.76rem;
    color: var(--muted);
    margin: 0 0 1.15rem;
    min-height: 1.1em;
}

.entropy-info span {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    background: var(--chip-bg);
    color: var(--text);
    font-weight: 600;
}

.entropy-info span::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: var(--accent);
}

/* ---------- Vérification fuites (HIBP) ---------- */

.hibp {
    margin: 0 0 1.2rem;
    padding: 0.85rem 0.9rem;
    border: 1px solid var(--card-border);
    border-radius: 12px;
    background: var(--ghost-bg);
}

.hibp #hibp-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.hibp #hibp-btn.loading {
    pointer-events: none;
}

.hibp #hibp-btn.loading svg {
    animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.hibp-result {
    margin: 0.55rem 0 0;
    font-size: 0.84rem;
    font-weight: 600;
    min-height: 1.1em;
}

.hibp-result:empty { display: none; }
.hibp-result.safe   { color: var(--green); }
.hibp-result.pwned  { color: var(--red); }
.hibp-result.error  { color: var(--muted); font-weight: 500; }

.hibp-note {
    margin: 0.5rem 0 0;
    font-size: 0.72rem;
    line-height: 1.45;
    color: var(--muted);
}

@media (prefers-reduced-motion: reduce) {
    .hibp #hibp-btn.loading svg { animation: none; }
}

/* ---------- Bouton principal ---------- */

#submit-btn {
    width: 100%;
    padding: 0.8rem;
    font-size: 1rem;
    font-weight: 650;
    font-family: inherit;
    color: #fff;
    background: linear-gradient(135deg, var(--green), var(--green-bright));
    border: none;
    border-radius: 12px;
    cursor: pointer;
    box-shadow: 0 12px 26px -10px color-mix(in srgb, var(--green) 70%, transparent);
    transition: background 0.3s ease, box-shadow 0.3s ease, transform 0.12s ease, opacity 0.2s ease;
}

/* Pas de disabled : le clic sur un mot de passe invalide déclenche un retour visuel. */
#submit-btn.not-ready {
    background: var(--track);
    color: var(--muted);
    box-shadow: none;
}

#submit-btn:hover { transform: translateY(-1px); }
#submit-btn:active { transform: translateY(0); }
#submit-btn.not-ready:hover { transform: none; }

.form-note {
    margin: 0.9rem 0 0;
    font-size: 0.76rem;
    color: var(--muted);
    text-align: center;
}

/* ---------- Confettis ---------- */

.confetti-piece {
    position: absolute;
    top: -10px;
    width: 8px;
    height: 8px;
    border-radius: 2px;
    pointer-events: none;
    z-index: 5;
    opacity: 0.9;
    animation-name: confettiFall;
    animation-timing-function: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    animation-fill-mode: forwards;
}

@keyframes confettiFall {
    0%   { transform: translateY(0) rotate(0deg); opacity: 1; }
    100% { transform: translateY(240px) rotate(560deg); opacity: 0; }
}

/* ---------- Clins d'oeil illustrés (meme) ---------- */

.meme {
    position: absolute;
    top: 50%;
    left: 50%;
    width: min(280px, 78%);
    z-index: 7;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transform: translate(-50%, -46%) scale(0.72) rotate(-6deg);
    transition: opacity 0.26s ease,
                transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1),
                visibility 0s linear 0.3s;
}

.meme.show {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1) rotate(-2deg);
    transition: opacity 0.26s ease,
                transform 0.55s cubic-bezier(0.34, 1.56, 0.64, 1),
                visibility 0s;
}

.meme[data-meme="hand"].show  { transform: translate(-50%, -50%) scale(1) rotate(2deg); }
.meme[data-meme="couch"].show { transform: translate(-50%, -50%) scale(1) rotate(-1deg); }

.meme-frame {
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 16px;
    overflow: hidden;
    background: #0e0a04;
    box-shadow: 0 22px 44px -14px rgba(0, 0, 0, 0.55);
}

.meme-img {
    display: block;
    width: 100%;
    height: auto;
    background: #0e0a04;
}

.meme-caption {
    margin: 0;
    padding: 0.5rem 0.7rem;
    font-size: 0.78rem;
    font-weight: 700;
    text-align: center;
    color: #fff;
    background: rgba(0, 0, 0, 0.5);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.meme-caption span {
    display: block;
    margin-top: 0.1rem;
    font-weight: 500;
    font-size: 0.68rem;
    opacity: 0.72;
}

@keyframes memeShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-2px); }
    75% { transform: translateX(2px); }
}
.meme[data-meme="hand"] .meme-frame { animation: memeShake 0.11s linear 7; }

/* ---------- Accessibilité : mouvement réduit ---------- */

@media (prefers-reduced-motion: reduce) {
    .card { animation: none; }
    .card-glow { animation: none; }
    .strength-message.pop,
    .criteria-list li .tick.pop { animation: none; }
    .confetti-piece { display: none; }
    .meme,
    .meme.show { transition: opacity 0.2s ease; }
    .meme.show { transform: translate(-50%, -50%) scale(1) rotate(-2deg); }
    .meme[data-meme="hand"].show,
    .meme[data-meme="couch"].show { transform: translate(-50%, -50%) scale(1) rotate(0deg); }
    .meme[data-meme="hand"] .meme-frame { animation: none; }
}

/* ---------- Petits écrans ---------- */

@media (max-width: 380px) {
    .tools-row .btn-ghost { flex: 1 1 100%; justify-content: center; }
}