@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
    --bg: #050507;
    --surface: #0c0c10;
    --surface2: #121216;
    --surface3: #18181e;
    --border: #1a1a22;
    --border2: #252530;
    --text: #f0f0f5;
    --text2: #888898;
    --text3: #555565;
    --accent1: #ff3c3c;
    --accent2: #ff8c00;
    --accent3: #ffcc00;
    --green: #00e87b;
    --radius: 16px;
    --radius-sm: 10px;
}

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

body {
    min-height: 100vh;
    background: var(--bg);
    font-family: 'Inter', sans-serif;
    color: var(--text);
    display: flex;
    flex-direction: column;
    align-items: center;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    background-image:
        radial-gradient(ellipse 80% 50% at 50% 0%, rgba(255,60,60,0.03) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 100%, rgba(255,140,0,0.02) 0%, transparent 50%);
}

canvas#particles { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
canvas#confetti { position: fixed; inset: 0; z-index: 200; pointer-events: none; }

.game-wrap {
    position: relative; z-index: 1; width: 100%;
    display: flex; flex-direction: column; align-items: center;
    max-width: 860px; margin: 0 auto;
}

/* =============================================
   HEADER
   ============================================= */
.header {
    width: 100%; padding: 20px 28px 10px;
    display: flex; justify-content: space-between; align-items: center;
}

.logo {
    font-size: 1.6rem; font-weight: 900; letter-spacing: 5px; text-transform: uppercase;
    background: linear-gradient(135deg, var(--accent1), var(--accent2), var(--accent3));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    text-shadow: none;
    position: relative;
}

.stats { display: flex; gap: 28px; }

.stat {
    text-align: center;
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px 16px;
    min-width: 80px;
    backdrop-filter: blur(10px);
}

.stat-value {
    font-size: 1.4rem; font-weight: 800;
    font-variant-numeric: tabular-nums;
}

.stat-label {
    font-size: 0.5rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 2px; color: var(--text3); margin-top: 3px;
}

/* =============================================
   LEVEL BAR
   ============================================= */
.level-bar {
    width: 100%; padding: 4px 28px;
    display: flex; align-items: center; gap: 12px;
}

.level-badge {
    font-size: 0.6rem; font-weight: 800; text-transform: uppercase; letter-spacing: 2px;
    background: linear-gradient(135deg, var(--accent1), var(--accent2));
    color: #fff; padding: 3px 10px; border-radius: 20px;
    -webkit-background-clip: unset; -webkit-text-fill-color: unset; background-clip: unset;
    white-space: nowrap;
    box-shadow: 0 2px 12px rgba(255,60,60,0.2);
}

.xp-bar-wrap {
    flex: 1; height: 5px;
    background: var(--surface2);
    border-radius: 3px; overflow: hidden;
    border: 1px solid var(--border);
}

.xp-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent1), var(--accent2));
    border-radius: 3px;
    transition: width 0.6s cubic-bezier(0.4,0,0.2,1);
    width: 0%;
    box-shadow: 0 0 8px rgba(255,140,0,0.3);
}

.xp-text {
    font-size: 0.5rem; font-weight: 500; color: var(--text3);
    letter-spacing: 1px; white-space: nowrap;
}

/* =============================================
   CONTROLS
   ============================================= */
.controls-row {
    display: flex; gap: 6px; align-items: center; margin: 10px 0 6px;
    flex-wrap: wrap; justify-content: center; padding: 0 16px;
}

.btn-group {
    display: flex; gap: 3px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 3px;
}

.ctrl-btn {
    padding: 7px 14px;
    border: none;
    background: transparent;
    color: var(--text3);
    font-family: 'Inter', sans-serif;
    font-size: 0.6rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 1.5px;
    border-radius: 7px; cursor: pointer;
    transition: all 0.25s ease;
}

.ctrl-btn:hover { color: var(--text2); background: rgba(255,255,255,0.03); }

.ctrl-btn.active {
    background: linear-gradient(135deg, var(--accent1), var(--accent2));
    color: #fff;
    box-shadow: 0 2px 12px rgba(255,60,60,0.25);
}

.ctrl-btn:disabled { opacity: 0.3; cursor: not-allowed; }

.icon-btn {
    width: 36px; height: 36px; border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text3);
    font-size: 0.85rem;
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    transition: all 0.25s;
}

.icon-btn:hover { border-color: var(--accent1); color: var(--text); background: var(--surface2); }
.icon-btn.active { color: var(--accent2); border-color: var(--accent2); background: rgba(255,140,0,0.08); }
.icon-btn:disabled { opacity: 0.25; cursor: not-allowed; }
.icon-btn.install-btn { display: none; color: var(--green); border-color: rgba(0,232,123,0.3); }

/* =============================================
   STREAK
   ============================================= */
.streak-bar {
    width: 100%; display: flex; align-items: center; gap: 10px;
    padding: 2px 28px; height: 18px;
}

.streak-label {
    font-size: 0.5rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 2px; color: var(--text3);
}

.streak-dots { display: flex; gap: 5px; }

.streak-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--surface2);
    border: 1px solid var(--border);
    transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

.streak-dot.lit {
    background: linear-gradient(135deg, var(--accent1), var(--accent2));
    border-color: var(--accent2);
    box-shadow: 0 0 10px rgba(255,140,0,0.5), 0 0 4px rgba(255,60,60,0.3);
    transform: scale(1.15);
}

/* =============================================
   COMBO
   ============================================= */
.combo-display {
    position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%);
    font-size: 3rem; font-weight: 900; pointer-events: none; opacity: 0; z-index: 50;
    background: linear-gradient(135deg, var(--accent1), var(--accent2), var(--accent3));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    filter: drop-shadow(0 0 30px rgba(255,140,0,0.4));
}

.combo-display.show { animation: comboAnim 0.8s ease-out forwards; }

@keyframes comboAnim {
    0% { opacity: 1; transform: translate(-50%,-50%) scale(0.5); }
    50% { opacity: 1; transform: translate(-50%,-50%) scale(1.3); }
    100% { opacity: 0; transform: translate(-50%,-65%) scale(1); }
}

/* =============================================
   TIMER
   ============================================= */
.timer-bar-container {
    width: 100%; height: 3px;
    background: var(--surface2);
    margin-bottom: 8px; overflow: hidden;
}

.timer-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent1), var(--accent2), var(--accent3));
    transition: width 1s linear; width: 100%;
}

.timer-bar.warning {
    background: linear-gradient(90deg, #ff0000, var(--accent1));
    animation: barPulse 0.8s infinite;
}

.timer-bar.zen-bar {
    background: linear-gradient(90deg, #00cc66, #00ffaa, #00cc66);
    background-size: 200% 100%;
    animation: zenFlow 3s linear infinite;
    width: 100% !important;
}

@keyframes barPulse { 0%,100%{opacity:1;} 50%{opacity:0.4;} }
@keyframes zenFlow { 0%{background-position:0% 0%;} 100%{background-position:200% 0%;} }

/* =============================================
   MULTIPLAYER
   ============================================= */
.mp-bar {
    display: none; width: 100%;
    justify-content: center; gap: 20px; padding: 6px 28px;
}
.mp-bar.show { display: flex; }

.mp-player {
    text-align: center; padding: 10px 24px; border-radius: var(--radius-sm);
    border: 1px solid var(--border); min-width: 120px;
    background: var(--surface);
    transition: all 0.3s;
}

.mp-player.active-player {
    border-color: var(--accent1);
    background: linear-gradient(145deg, rgba(255,60,60,0.06), transparent);
    box-shadow: 0 0 20px rgba(255,60,60,0.08);
}

.mp-player .mp-name {
    font-size: 0.55rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 2px; color: var(--text2); margin-bottom: 4px;
}

.mp-player .mp-score { font-size: 1.4rem; font-weight: 800; }

/* =============================================
   BOARD
   ============================================= */
.board {
    display: grid; gap: 12px; padding: 10px 24px 24px; width: 100%;
}
.board.grid-4 { grid-template-columns: repeat(4, 1fr); }
.board.grid-6 { grid-template-columns: repeat(4, 1fr); }
.board.grid-8 { grid-template-columns: repeat(5, 1fr); }

/* =============================================
   CARD
   ============================================= */
.card {
    aspect-ratio: 1; position: relative; cursor: pointer;
    border-radius: var(--radius); overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.3s ease;
    animation: cardEnter 0.45s cubic-bezier(0.34,1.56,0.64,1) forwards;
    opacity: 0;
}

@keyframes cardEnter {
    0% { opacity: 0; transform: scale(0.7) translateY(20px) rotate(-2deg); }
    100% { opacity: 1; transform: scale(1) translateY(0) rotate(0); }
}

.card:hover {
    transform: scale(1.05) translateY(-2px);
    box-shadow: 0 12px 35px rgba(0,0,0,0.5), 0 0 15px rgba(255,60,60,0.05);
}
.card:active { transform: scale(0.96); }

.card-back, .card-front {
    position: absolute; inset: 0;
    border-radius: var(--radius); display: flex; align-items: center; justify-content: center;
    transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.4,0,0.2,1);
}

/* --- CARD BACK --- */
.card-back {
    background: linear-gradient(160deg, var(--surface3), var(--surface));
    border: 1px solid var(--border2);
    z-index: 2; overflow: hidden;
}

.card-back::before {
    content: ''; position: absolute; inset: 0;
    background:
        radial-gradient(circle at 25% 25%, rgba(255,60,60,0.06) 0%, transparent 40%),
        radial-gradient(circle at 75% 75%, rgba(255,140,0,0.05) 0%, transparent 40%);
}

.card-back::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.02) 0%, transparent 50%);
    pointer-events: none;
}

.card-back-pattern {
    position: absolute; inset: 10px;
    border: 1px solid rgba(255,255,255,0.04); border-radius: 10px;
    background:
        linear-gradient(45deg, transparent 47%, rgba(255,255,255,0.02) 47%, rgba(255,255,255,0.02) 53%, transparent 53%),
        linear-gradient(-45deg, transparent 47%, rgba(255,255,255,0.02) 47%, rgba(255,255,255,0.02) 53%, transparent 53%);
    background-size: 18px 18px;
}

.card-back-diamond {
    width: 38%; height: 38%;
    border: 2px solid var(--border2); border-radius: 10px;
    transform: rotate(45deg); transition: all 0.4s cubic-bezier(0.4,0,0.2,1);
    position: relative;
    background: radial-gradient(circle, rgba(255,60,60,0.04) 0%, transparent 70%);
    box-shadow: inset 0 0 20px rgba(0,0,0,0.3);
}

.card-back-diamond::before {
    content: ''; position: absolute; inset: 5px;
    border: 1px solid rgba(255,255,255,0.04); border-radius: 6px;
}

.card-back-diamond::after {
    content: ''; position: absolute; inset: 12px;
    border: 1px solid rgba(255,255,255,0.03); border-radius: 4px;
}

.card:hover .card-back { border-color: var(--border2); }
.card:hover .card-back-diamond {
    border-color: var(--accent1);
    box-shadow: 0 0 25px rgba(255,60,60,0.15), inset 0 0 20px rgba(255,60,60,0.05);
    background: radial-gradient(circle, rgba(255,60,60,0.08) 0%, transparent 70%);
    transform: rotate(45deg) scale(1.05);
}

/* --- CARD FRONT --- */
.card-front {
    background: radial-gradient(ellipse at 50% 30%, var(--surface3) 0%, var(--surface) 100%);
    border: 1px solid var(--border2);
    font-size: 3rem; z-index: 1;
    flex-direction: column; gap: 8px;
    overflow: hidden;
}

.card-front::before {
    content: ''; position: absolute; inset: 0;
    opacity: 0; transition: opacity 0.4s;
}

.card-front::after {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 50%;
    background: linear-gradient(180deg, rgba(255,255,255,0.03) 0%, transparent 100%);
    pointer-events: none;
}

.card.flipped .card-front::before,
.card.matched .card-front::before { opacity: 1; }

.card-front .card-label {
    font-size: 0.5rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 3px; color: var(--text3);
    position: relative;
}

/* --- COLOR GLOWS --- */
.card[data-color="red"] .card-front::before { background: radial-gradient(circle at 50% 45%, rgba(255,60,60,0.15) 0%, transparent 55%); }
.card[data-color="red"] .card-front { border-color: rgba(255,60,60,0.2); }
.card[data-color="blue"] .card-front::before { background: radial-gradient(circle at 50% 45%, rgba(60,140,255,0.15) 0%, transparent 55%); }
.card[data-color="blue"] .card-front { border-color: rgba(60,140,255,0.2); }
.card[data-color="purple"] .card-front::before { background: radial-gradient(circle at 50% 45%, rgba(153,69,255,0.15) 0%, transparent 55%); }
.card[data-color="purple"] .card-front { border-color: rgba(153,69,255,0.2); }
.card[data-color="orange"] .card-front::before { background: radial-gradient(circle at 50% 45%, rgba(255,140,0,0.15) 0%, transparent 55%); }
.card[data-color="orange"] .card-front { border-color: rgba(255,140,0,0.2); }
.card[data-color="green"] .card-front::before { background: radial-gradient(circle at 50% 45%, rgba(0,204,102,0.15) 0%, transparent 55%); }
.card[data-color="green"] .card-front { border-color: rgba(0,204,102,0.2); }
.card[data-color="gold"] .card-front::before { background: radial-gradient(circle at 50% 45%, rgba(255,204,0,0.15) 0%, transparent 55%); }
.card[data-color="gold"] .card-front { border-color: rgba(255,204,0,0.2); }
.card[data-color="pink"] .card-front::before { background: radial-gradient(circle at 50% 45%, rgba(255,0,122,0.15) 0%, transparent 55%); }
.card[data-color="pink"] .card-front { border-color: rgba(255,0,122,0.2); }
.card[data-color="cyan"] .card-front::before { background: radial-gradient(circle at 50% 45%, rgba(0,204,255,0.15) 0%, transparent 55%); }
.card[data-color="cyan"] .card-front { border-color: rgba(0,204,255,0.2); }
.card[data-color="white"] .card-front::before { background: radial-gradient(circle at 50% 45%, rgba(255,255,255,0.1) 0%, transparent 55%); }
.card[data-color="white"] .card-front { border-color: rgba(255,255,255,0.12); }
.card[data-color="teal"] .card-front::before { background: radial-gradient(circle at 50% 45%, rgba(77,208,225,0.15) 0%, transparent 55%); }
.card[data-color="teal"] .card-front { border-color: rgba(77,208,225,0.2); }

/* --- FLIP / MATCH / WRONG --- */
.card.flipped .card-back {
    opacity: 0; transform: scale(0.8) rotate(8deg); pointer-events: none;
}
.card.matched .card-back {
    opacity: 0; transform: scale(0.8) rotate(8deg); pointer-events: none;
}
.card.matched .card-front {
    border-color: rgba(0,232,123,0.4);
    box-shadow: 0 0 30px rgba(0,232,123,0.12), inset 0 0 25px rgba(0,232,123,0.04);
}
.card.matched .card-front .card-label { color: rgba(0,232,123,0.6); }

.card.wrong { animation: shake 0.4s ease-in-out; }
@keyframes shake {
    0%,100% { transform: translateX(0); }
    20% { transform: translateX(-8px); }
    40% { transform: translateX(8px); }
    60% { transform: translateX(-5px); }
    80% { transform: translateX(5px); }
}

.card.match-anim { animation: matchPop 0.45s cubic-bezier(0.34,1.56,0.64,1); }
@keyframes matchPop {
    0% { transform: scale(1); }
    50% { transform: scale(1.12); }
    100% { transform: scale(1); }
}

/* =============================================
   OVERLAY
   ============================================= */
.overlay {
    position: fixed; inset: 0;
    background: rgba(5,5,7,0.92);
    backdrop-filter: blur(30px) saturate(1.5);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    z-index: 100; opacity: 0; pointer-events: none;
    transition: opacity 0.5s ease;
}

.overlay.show { opacity: 1; pointer-events: all; }

.overlay h1 {
    font-size: 3.2rem; font-weight: 900; letter-spacing: 2px;
    background: linear-gradient(135deg, var(--accent1), var(--accent2), var(--accent3));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    margin-bottom: 6px;
    filter: drop-shadow(0 4px 20px rgba(255,60,60,0.3));
}

.overlay .sub { color: var(--text3); font-size: 0.8rem; margin-bottom: 24px; letter-spacing: 1px; font-weight: 400; }

.overlay .final-stats {
    display: flex; gap: 8px; margin-bottom: 20px;
}

.overlay .final-stat {
    text-align: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px 18px;
    min-width: 80px;
}

.overlay .final-stat .val { font-size: 1.6rem; font-weight: 800; }

.overlay .final-stat .lbl {
    font-size: 0.5rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 2px; color: var(--text3); margin-top: 4px;
}

.xp-gained {
    display: none;
    font-size: 0.8rem; font-weight: 800;
    background: linear-gradient(135deg, var(--accent2), var(--accent3));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    margin-bottom: 18px; letter-spacing: 2px;
}

.new-best {
    display: inline-block; padding: 5px 16px;
    background: linear-gradient(135deg, var(--accent3), var(--accent2));
    color: #000; font-size: 0.55rem; font-weight: 800;
    text-transform: uppercase; letter-spacing: 2px;
    border-radius: 20px; margin-bottom: 14px; opacity: 0;
    box-shadow: 0 4px 15px rgba(255,204,0,0.3);
}
.new-best.show { opacity: 1; animation: badgePop 0.5s cubic-bezier(0.34,1.56,0.64,1); }
@keyframes badgePop { 0%{transform:scale(0);} 100%{transform:scale(1);} }

.play-btn {
    padding: 14px 44px;
    background: linear-gradient(135deg, var(--accent1), var(--accent2));
    border: none; color: #fff; font-family: 'Inter', sans-serif;
    font-size: 0.75rem; font-weight: 800; text-transform: uppercase; letter-spacing: 3px;
    border-radius: var(--radius-sm); cursor: pointer;
    transition: transform 0.2s, box-shadow 0.3s;
    margin-bottom: 10px;
    box-shadow: 0 4px 20px rgba(255,60,60,0.25);
}
.play-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(255,60,60,0.35);
}

.share-btn {
    padding: 9px 28px;
    background: var(--surface);
    border: 1px solid var(--border2); color: var(--text2);
    font-family: 'Inter', sans-serif; font-size: 0.6rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 2px;
    border-radius: var(--radius-sm); cursor: pointer; transition: all 0.3s;
}
.share-btn:hover { border-color: var(--accent2); color: var(--text); background: var(--surface2); }

.records {
    margin-top: 16px; border-top: 1px solid var(--border);
    padding-top: 12px; width: 280px;
}
.records-title {
    font-size: 0.5rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 2px; color: var(--text3); margin-bottom: 8px;
}
.record-row {
    display: flex; justify-content: space-between;
    padding: 5px 10px; font-size: 0.68rem; color: var(--text3);
    border-radius: 6px; margin-bottom: 2px;
}
.record-row:nth-child(1) { background: rgba(255,140,0,0.05); }
.record-row .name { color: var(--text2); }
.record-row .score { color: var(--accent2); font-weight: 700; }

.best-score {
    position: fixed; bottom: 14px; right: 20px;
    font-size: 0.55rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 2px; color: var(--border2); z-index: 1;
}
.best-score span { color: var(--accent2); }

/* =============================================
   NOTIFICATION TOAST
   ============================================= */
.notification {
    position: fixed; top: 24px; right: 24px;
    background: linear-gradient(145deg, var(--surface3), var(--surface));
    border: 1px solid var(--border2); border-radius: var(--radius);
    padding: 16px 22px; display: flex; align-items: center; gap: 14px;
    z-index: 300;
    transform: translateX(140%);
    transition: transform 0.5s cubic-bezier(0.34,1.56,0.64,1);
    box-shadow: 0 16px 50px rgba(0,0,0,0.6), 0 0 30px rgba(255,60,60,0.05);
    max-width: 320px;
    backdrop-filter: blur(20px);
}
.notification.show { transform: translateX(0); }
.notif-icon { font-size: 1.6rem; filter: drop-shadow(0 2px 8px rgba(255,140,0,0.3)); }
.notif-text { font-size: 0.68rem; line-height: 1.5; color: var(--text2); }
.notif-text strong {
    color: var(--accent2); display: block; margin-bottom: 3px;
    font-size: 0.72rem; font-weight: 800; letter-spacing: 1.5px;
}

/* =============================================
   PROFILE SCREEN
   ============================================= */
.profile-screen {
    position: fixed; inset: 0;
    background: rgba(5,5,7,0.97);
    backdrop-filter: blur(30px);
    z-index: 150;
    display: flex; flex-direction: column; align-items: center;
    padding: 50px 24px; overflow-y: auto;
    opacity: 0; pointer-events: none;
    transition: opacity 0.4s;
}
.profile-screen.show { opacity: 1; pointer-events: all; }

.profile-screen .close-btn {
    position: absolute; top: 18px; right: 22px;
    background: var(--surface); border: 1px solid var(--border2);
    color: var(--text3);
    width: 40px; height: 40px; border-radius: var(--radius-sm);
    font-size: 1.3rem; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.3s;
}
.profile-screen .close-btn:hover { border-color: var(--accent1); color: var(--text); }

.profile-screen h2 {
    font-size: 2rem; font-weight: 900;
    background: linear-gradient(135deg, var(--accent1), var(--accent2));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    margin-bottom: 4px;
}

.profile-stats {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px;
    margin: 24px 0; width: 100%; max-width: 420px;
}

.profile-stat {
    text-align: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 10px;
}
.profile-stat .ps-val { font-size: 1.3rem; font-weight: 800; }
.profile-stat .ps-lbl {
    font-size: 0.48rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 2px; color: var(--text3); margin-top: 4px;
}

.ach-section-title {
    font-size: 0.6rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 3px; color: var(--text3);
    margin: 28px 0 14px; width: 100%; max-width: 420px;
}

.achievements-list { width: 100%; max-width: 420px; }

.ach-item {
    display: flex; align-items: center; gap: 14px; padding: 14px 16px;
    background: var(--surface);
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    margin-bottom: 8px; opacity: 0.3;
    transition: all 0.3s;
}
.ach-item.unlocked {
    opacity: 1; border-color: var(--border2);
    background: linear-gradient(145deg, var(--surface2), var(--surface));
}
.ach-icon { font-size: 1.5rem; filter: drop-shadow(0 2px 6px rgba(0,0,0,0.3)); }
.ach-info { font-size: 0.7rem; color: var(--text2); line-height: 1.5; }
.ach-info strong { color: var(--text); font-weight: 700; }
.ach-desc { color: var(--text3); font-size: 0.58rem; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 600px) {
    .header { padding: 14px 16px 6px; }
    .logo { font-size: 1.1rem; letter-spacing: 3px; }
    .stat { padding: 6px 10px; min-width: 65px; }
    .stat-value { font-size: 1.1rem; }
    .stats { gap: 8px; }
    .level-bar { padding: 2px 16px; }
    .board { gap: 8px; padding: 6px 12px 16px; }
    .card-front span:first-child { font-size: 2.2rem !important; }
    .overlay h1 { font-size: 2rem; }
    .overlay .final-stats { gap: 6px; flex-wrap: wrap; justify-content: center; }
    .overlay .final-stat { padding: 10px 14px; min-width: 70px; }
    .overlay .final-stat .val { font-size: 1.3rem; }
    .ctrl-btn { padding: 6px 10px; font-size: 0.52rem; }
    .btn-group { padding: 2px; }
    .notification { top: 12px; right: 12px; left: 12px; max-width: none; }
    .streak-bar { padding: 2px 16px; }
    .combo-display { font-size: 2.2rem; }
}

@media (max-width: 380px) {
    .stat { padding: 5px 8px; min-width: 55px; }
    .stat-value { font-size: 1rem; }
    .stat-label { font-size: 0.45rem; }
    .board { gap: 6px; padding: 4px 8px 12px; }
}