@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;700;800&family=DM+Mono:wght@400;500&display=swap');

:root {
    --bg:        #0e1020;
    --surface:   rgba(255,255,255,0.06);
    --surface2:  rgba(255,255,255,0.10);
    --border:    rgba(255,255,255,0.11);
    --border-hi: rgba(255,255,255,0.20);

    --c1: #7c6fff;
    --c2: #ff6b8a;
    --c3: #3de8d0;
    --c4: #ffd166;

    --text:   #f0f0ff;
    --text-2: #9898bb;
    --text-3: #44445a;

    --radius:    16px;
    --radius-sm: 10px;
}

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

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'DM Mono', monospace;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    height: 100dvh;
    overflow: hidden;
}

#bg-canvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

#app-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    height: 100dvh;
    display: flex;
    flex-direction: column;
    padding: 12px;
}

/* ══════════════════════
   MENUS
══════════════════════ */
.menu-screen {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 16px;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
}

.menu-card {
    background: rgba(20, 22, 45, 0.90);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
    border: 1px solid var(--border-hi);
    border-radius: var(--radius);
    padding: 24px 18px 20px;
    width: 100%;
    max-width: 360px;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow:
        0 0 0 1px rgba(124,111,255,0.13),
        0 20px 50px rgba(0,0,0,0.55),
        0 0 60px rgba(124,111,255,0.07);
    animation: cardIn 0.4s cubic-bezier(0.16,1,0.3,1) both;
    margin: auto 0;
}

@keyframes cardIn {
    from { opacity:0; transform:translateY(16px) scale(0.97); }
    to   { opacity:1; transform:translateY(0) scale(1); }
}

/* Logo */
.logo-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 22px;
}

.logo-icon {
    width: 52px; height: 52px;
    background: linear-gradient(135deg, var(--c1), var(--c2));
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 24px;
    margin-bottom: 10px;
    box-shadow: 0 6px 20px rgba(124,111,255,0.45);
    animation: iconPulse 3s ease-in-out infinite;
}

@keyframes iconPulse {
    0%,100% { box-shadow: 0 6px 20px rgba(124,111,255,0.45); }
    50%      { box-shadow: 0 6px 30px rgba(124,111,255,0.7), 0 0 0 6px rgba(124,111,255,0.1); }
}

.logo {
    font-family: 'Syne', sans-serif;
    font-size: 30px; font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(90deg, #ffffff 20%, var(--c3) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; line-height: 1;
}

.danger-text {
    background: linear-gradient(90deg, var(--c2), var(--c4)) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
}

.subtitle {
    color: var(--text-2); font-size: 11px;
    letter-spacing: 2px; text-transform: uppercase; margin-top: 5px;
}

/* Inputs */
#loginSection {
    display: flex; flex-direction: column;
    gap: 10px; width: 100%; margin-bottom: 16px;
}

.field-group { display: flex; flex-direction: column; gap: 4px; width: 100%; }

.field-label {
    font-size: 10px; letter-spacing: 1.5px;
    text-transform: uppercase; color: var(--text-2);
}

input[type="text"], input[type="password"] {
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.14);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: 'DM Mono', monospace;
    font-size: 14px; padding: 11px 14px;
    width: 100%; outline: none;
    transition: border-color .2s, background .2s, box-shadow .2s;
    letter-spacing: 1px;
}
input[type="text"]::placeholder,
input[type="password"]::placeholder { color: var(--text-3); }
input[type="text"]:focus,
input[type="password"]:focus {
    border-color: rgba(124,111,255,0.7);
    background: rgba(124,111,255,0.08);
    box-shadow: 0 0 0 3px rgba(124,111,255,0.14);
}

/* Buttons */
.action-btn {
    font-family: 'Syne', sans-serif;
    font-size: 14px; font-weight: 700;
    letter-spacing: 0.5px; padding: 13px 22px;
    border: none; border-radius: var(--radius-sm);
    cursor: pointer; width: 100%;
    transition: transform .12s, box-shadow .15s, filter .15s;
}
.action-btn:active { transform: scale(0.97); }

.login-btn {
    background: linear-gradient(135deg, var(--c1), #9b5cf6);
    color: #fff; box-shadow: 0 4px 18px rgba(124,111,255,0.45);
}
.login-btn:hover { filter: brightness(1.08); }

.play-btn {
    background: linear-gradient(135deg, var(--c1), var(--c2));
    color: #fff; box-shadow: 0 4px 18px rgba(124,111,255,0.38);
}
.play-btn:hover { filter: brightness(1.08); }

.resume-btn {
    background: rgba(255,209,102,0.12); color: var(--c4);
    border: 1px solid rgba(255,209,102,0.35);
}
.resume-btn:hover { background: rgba(255,209,102,0.2); }

.red-btn {
    background: linear-gradient(135deg, var(--c2), #d63870);
    color: #fff; box-shadow: 0 4px 18px rgba(255,107,138,0.4);
}
.red-btn:hover { filter: brightness(1.08); }

.ghost-btn {
    background: var(--surface); color: var(--text-2);
    border: 1px solid var(--border);
}
.ghost-btn:hover { color: var(--text); border-color: var(--border-hi); }

#loginError {
    color: var(--c2); font-size: 11px; display: none;
    text-align: center; letter-spacing: 0.5px;
}

#playSection {
    display: none; flex-direction: column;
    align-items: center; gap: 10px;
    width: 100%; margin-bottom: 16px;
}

.user-badge {
    background: rgba(124,111,255,0.10);
    border: 1px solid rgba(124,111,255,0.28);
    border-radius: 8px; padding: 7px 14px;
    font-size: 12px; color: var(--text-2); width: 100%; text-align: center;
}
.user-badge strong { color: var(--c3); }

.divider {
    width: 100%; height: 1px;
    background: var(--border); margin: 4px 0 12px;
}

/* Leaderboard */
.lb-title {
    font-family: 'Syne', sans-serif;
    font-size: 10px; font-weight: 700;
    letter-spacing: 2.5px; text-transform: uppercase;
    color: var(--text-2); margin-bottom: 10px; text-align: center;
}

#menuLeaderboard {
    list-style: none; display: flex;
    flex-direction: column; gap: 5px; width: 100%;
}

@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.12} }

/* Game over */
.score-board { margin: 4px 0 22px; text-align: center; }
.score-board p { color: var(--text-2); font-size: 11px; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 4px; }
.score-board h2 {
    font-family: 'Syne', sans-serif;
    font-size: 68px; font-weight: 800; line-height: 1;
    background: linear-gradient(135deg, #fff 20%, var(--c2));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ══════════════════════
   GAME AREA
══════════════════════ */
#gameArea {
    width: 100%; height: 100dvh;
    display: flex; flex-direction: column;
}

#ui {
    display: flex; justify-content: space-between;
    align-items: center; padding: 10px 4px 6px;
    position: relative;
}

#ui h1 {
    font-family: 'Syne', sans-serif;
    font-size: 17px; font-weight: 800; letter-spacing: -0.5px;
    background: linear-gradient(90deg, #fff, var(--c3));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}

#stats { display: flex; gap: 12px; align-items: center; }
#stats p { font-size: 12px; color: var(--text-2); }
#stats p span { color: var(--text); font-weight: 500; }
#stats p:last-child span { color: var(--c4); }

/* Bouton paramètres dans le HUD */
.settings-icon-btn {
    background: rgba(255,255,255,0.07);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-2);
    font-size: 16px;
    width: 32px; height: 32px;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    transition: background .15s, color .15s, transform .15s;
    padding: 0; line-height: 1;
    flex-shrink: 0;
}
.settings-icon-btn:hover { background: rgba(255,255,255,0.12); color: var(--text); }
.settings-icon-btn:active { transform: scale(0.92) rotate(30deg); }

#gameControls {
    display: flex; gap: 8px; margin-bottom: 8px;
}

.control-btn {
    flex: 1;
    background: rgba(255,255,255,0.05);
    color: var(--c3);
    border: 1px solid rgba(61,232,208,0.22);
    border-radius: 8px; padding: 8px 10px;
    font-family: 'DM Mono', monospace;
    font-size: 12px; cursor: pointer;
    text-transform: uppercase; letter-spacing: 0.5px;
    transition: background .15s, color .15s;
}
.control-btn:active { background: rgba(61,232,208,0.13); }
.control-btn.active { background: rgba(61,232,208,0.13); color: #fff; border-color: var(--c3); }

#canvasWrapper {
    flex: 1;
    display: flex; justify-content: center; align-items: stretch;
    position: relative; overflow: hidden;
    border-radius: 12px; border: 1px solid rgba(255,255,255,0.09);
}

canvas#gameCanvas {
    background: #0c0e1e;
    touch-action: none;
    width: 100%; height: 100%; display: block;
}

/* ══════════════════════
   PANNEAU PARAMÈTRES
══════════════════════ */
.settings-overlay {
    position: fixed;
    inset: 0;
    z-index: 100;
    background: rgba(5, 6, 18, 0.75);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn .2s ease both;
}

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

.settings-card {
    background: rgba(18, 20, 42, 0.97);
    border: 1px solid var(--border-hi);
    border-radius: var(--radius);
    padding: 24px 20px 20px;
    width: 100%; max-width: 360px;
    max-height: 90dvh;
    overflow-y: auto;
    box-shadow: 0 0 0 1px rgba(124,111,255,0.15), 0 24px 60px rgba(0,0,0,0.7);
    animation: slideUp .25s cubic-bezier(0.16,1,0.3,1) both;
}

@keyframes slideUp {
    from { opacity:0; transform: translateY(20px) scale(0.97); }
    to   { opacity:1; transform: translateY(0) scale(1); }
}

.settings-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.settings-title {
    font-family: 'Syne', sans-serif;
    font-size: 18px; font-weight: 800;
    color: var(--text);
    letter-spacing: -0.3px;
}

.close-btn {
    background: rgba(255,255,255,0.07);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-2);
    font-size: 14px;
    width: 32px; height: 32px;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    transition: background .15s, color .15s;
    padding: 0;
}
.close-btn:hover { background: rgba(255,107,138,0.15); color: var(--c2); border-color: rgba(255,107,138,0.3); }

/* Sections */
.settings-section {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px 14px 10px;
    margin-bottom: 12px;
}

.section-label {
    font-family: 'Syne', sans-serif;
    font-size: 11px; font-weight: 700;
    letter-spacing: 1.5px; text-transform: uppercase;
    color: var(--c1);
    margin-bottom: 12px;
}

/* Ligne paramètre */
.setting-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.setting-row:last-child { border-bottom: none; padding-bottom: 0; }

.setting-name {
    font-size: 13px;
    color: var(--text);
    flex: 1;
}

/* Toggle switch */
.toggle {
    position: relative;
    display: inline-block;
    width: 42px; height: 24px;
    flex-shrink: 0; margin-left: 12px;
}
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
    position: absolute; inset: 0;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 24px;
    cursor: pointer;
    transition: background .2s, border-color .2s;
}
.toggle-slider::before {
    content: '';
    position: absolute;
    width: 16px; height: 16px;
    left: 3px; top: 3px;
    background: #fff;
    border-radius: 50%;
    transition: transform .2s, background .2s;
    box-shadow: 0 1px 4px rgba(0,0,0,0.4);
}
.toggle input:checked + .toggle-slider {
    background: var(--c1);
    border-color: var(--c1);
}
.toggle input:checked + .toggle-slider::before {
    transform: translateX(18px);
    background: #fff;
}

/* Slider */
.slider-wrap {
    display: flex; align-items: center; gap: 8px;
    margin-left: 12px; flex-shrink: 0; width: 140px;
}

.setting-slider {
    -webkit-appearance: none; appearance: none;
    flex: 1; height: 4px;
    background: rgba(255,255,255,0.12);
    border-radius: 4px; outline: none; cursor: pointer;
    transition: background .2s;
    border: none; padding: 0;
}
.setting-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px; height: 16px;
    border-radius: 50%;
    background: var(--c1);
    box-shadow: 0 0 6px rgba(124,111,255,0.6);
    cursor: pointer;
}
.setting-slider::-moz-range-thumb {
    width: 16px; height: 16px;
    border-radius: 50%;
    background: var(--c1);
    box-shadow: 0 0 6px rgba(124,111,255,0.6);
    border: none; cursor: pointer;
}

.slider-val {
    font-size: 11px; color: var(--text-2);
    min-width: 30px; text-align: right;
    font-family: 'DM Mono', monospace;
}

/* Footer */
.settings-footer {
    margin-top: 16px;
    display: flex; flex-direction: column; gap: 8px;
}

/* ══════════════════════
   RESPONSIVE
══════════════════════ */
@media (max-height: 680px) {
    .menu-card    { padding: 18px; }
    .logo-icon    { width: 42px; height: 42px; font-size: 18px; margin-bottom: 7px; }
    .logo         { font-size: 24px; }
    .logo-area    { margin-bottom: 14px; }
    #loginSection { gap: 8px; margin-bottom: 10px; }
    #playSection  { gap: 8px; margin-bottom: 10px; }
    .score-board h2 { font-size: 52px; }
}