/* Blitz Styles */
:root {
    --blitz-bg: #0f172a;
    --blitz-card-bg: rgba(30, 41, 59, 0.7);
    --blitz-accent: #f59e0b;
    --blitz-accent-glow: rgba(245, 158, 11, 0.4);
    --blitz-danger: #ef4444;
    --blitz-success: #10b981;
    --blitz-border: rgba(255, 255, 255, 0.1);
}

[data-theme="light"] {
    --blitz-bg: #f8fafc;
    --blitz-card-bg: #ffffff;
    --blitz-border: rgba(0, 0, 0, 0.05);
}

.blitz-page {
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    padding: 0 !important;
    overflow: hidden;
    font-family: 'Inter', sans-serif;
    background: var(--blitz-bg);
    color: var(--text-primary);
}

/* Header */
.blitz-header-inner {
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 24px;
    position: relative;
}

.blitz-header-center {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
    pointer-events: none;
    z-index: 10;
}

.blitz-header-title {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    color: var(--text-primary);
    white-space: nowrap;
}

.blitz-header-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blitz-accent);
    filter: drop-shadow(0 0 8px rgba(245, 158, 11, 0.35));
}

.blitz-header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 20;
}

@media (max-width: 768px) {
    .blitz-header-icon {
        display: none;
    }
}

/* Main Area */
.blitz-main {
    flex: 1;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 1.25rem;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: 1.25rem 2rem 2rem;
    min-height: 0;
    /* Critical for inner scrolling/flex */
}

/* Setup */
.blitz-setup {
    width: 100%;
    max-width: 860px;
    display: none;
    flex-direction: column;
    gap: 1rem;
    animation: zoomIn 0.35s cubic-bezier(0.18, 0.89, 0.32, 1.28);
}

.blitz-setup.active {
    display: flex;
}

.blitz-setup-head {
    text-align: center;
}

.blitz-kicker {
    margin: 0 0 0.35rem;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-secondary);
}

.blitz-setup-head h1 {
    margin: 0;
    font-size: 2.1rem;
    font-weight: 900;
    color: var(--text-primary);
}

.blitz-setup-head p {
    margin: 0.45rem auto 0;
    max-width: 620px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.blitz-mode-grid {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.9rem;
}

.blitz-mode-card {
    background: var(--blitz-card-bg);
    border: 2px solid var(--blitz-border);
    border-radius: 16px;
    padding: 1.1rem 1rem;
    text-align: left;
    color: inherit;
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.08);
}

.blitz-mode-card:hover {
    transform: translateY(-2px);
    border-color: rgba(245, 158, 11, 0.45);
}

.blitz-mode-card.active {
    border-color: var(--blitz-accent);
    background: rgba(245, 158, 11, 0.12);
    box-shadow: 0 10px 26px rgba(245, 158, 11, 0.2);
}

.blitz-mode-tag {
    display: inline-block;
    padding: 0.22rem 0.6rem;
    border-radius: 999px;
    font-size: 0.66rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #ffffff;
    background: var(--blitz-accent);
}

.blitz-mode-card h3 {
    margin: 0.7rem 0 0.3rem;
    font-size: 1.08rem;
    color: var(--text-primary);
}

.blitz-mode-sample {
    margin: 0;
    font-size: 0.86rem;
    color: var(--text-secondary);
}

.blitz-mode-answer {
    margin: 0.18rem 0 0;
    font-size: 0.86rem;
    font-weight: 700;
    color: var(--text-primary);
}

.blitz-game-container {
    display: none;
    width: 100%;
    max-width: 600px;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s cubic-bezier(0.18, 0.89, 0.32, 1.28);
    pointer-events: none;
    position: relative;
}

.blitz-game-container.active {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    /* Pushes HUD to top and Play Area to bottom */
    flex: 1;
    height: 100%;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.blitz-play-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    width: 100%;
    flex-shrink: 1;
    min-height: 0;
}

/* Quit Button (Inside Game) */
.blitz-quit-btn {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--blitz-border);
    color: var(--text-secondary);
    cursor: pointer;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s cubic-bezier(0.18, 0.89, 0.32, 1.28);
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.blitz-quit-btn:hover {
    color: var(--blitz-danger);
    border-color: var(--blitz-danger);
    background: rgba(239, 68, 68, 0.1);
    transform: rotate(90deg) scale(1.1);
    box-shadow: 0 8px 25px rgba(239, 68, 68, 0.3);
}

.blitz-quit-btn svg {
    width: 20px;
    height: 20px;
}

/* HUD Area */
.blitz-hud {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 0.5rem;
}

.hud-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.mode-item {
    justify-content: center;
    padding-bottom: 0.65rem;
    /* Optical alignment with labeled items */
}

.hud-label {
    font-size: 0.65rem;
    font-weight: 800;
    color: var(--text-secondary);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.hud-value {
    font-size: 2rem;
    font-weight: 900;
    color: var(--blitz-accent);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}


/* Lives */
.blitz-lives {
    display: flex;
    gap: 8px;
    height: 2rem;
    align-items: center;
}

.heart {
    width: 24px;
    height: 24px;
    color: var(--blitz-danger);
    filter: drop-shadow(0 0 10px rgba(239, 68, 68, 0.4));
    transition: all 0.3s cubic-bezier(0.18, 0.89, 0.32, 1.28);
}

.heart.lost {
    color: var(--text-tertiary);
    opacity: 0.2;
    transform: scale(0.7);
    filter: none;
}

/* Timer Circle */
.blitz-timer-container {
    position: relative;
    width: 100px;
    height: 100px;
}

.blitz-timer-svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.timer-bg {
    fill: none;
    stroke: var(--blitz-border);
    stroke-width: 6;
}

.timer-fill {
    fill: none;
    stroke: var(--blitz-accent);
    stroke-width: 6;
    stroke-linecap: round;
    transition: stroke-dashoffset 0.1s linear, stroke 0.3s;
    stroke-dasharray: 283;
    stroke-dashoffset: 0;
}

.timer-fill.danger {
    stroke: var(--blitz-danger);
    filter: drop-shadow(0 0 8px var(--blitz-danger));
}

.timer-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--text-primary);
}

/* Hint Card */
.blitz-hint-card {
    width: 100%;
    background: var(--blitz-card-bg);
    border: 1px solid var(--blitz-border);
    border-radius: 1.5rem;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    position: relative;
}

.hint-label {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--blitz-accent);
    color: white;
    padding: 2px 1.5rem;
    font-size: 0.7rem;
    font-weight: 800;
    border-radius: 100px;
    letter-spacing: 0.1em;
    box-shadow: 0 4px 12px var(--blitz-accent-glow);
}

.hint-text {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.1;
}

.hint-reveal {
    margin-top: 1rem;
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--blitz-danger);
    min-height: 2rem;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.hint-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Input */
.blitz-input-wrapper {
    width: 100%;
}

.blitz-input {
    width: 100%;
    background: var(--bg-secondary);
    border: 2px solid var(--blitz-border);
    border-radius: 1rem;
    padding: 1rem 2rem;
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    color: var(--text-primary);
    outline: none;
    transition: all 0.2s;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.blitz-input:focus {
    border-color: var(--blitz-accent);
    box-shadow: 0 0 30px var(--blitz-accent-glow);
    background: var(--bg-primary);
}

.blitz-input.correct {
    border-color: var(--blitz-success);
    color: var(--blitz-success);
    background: rgba(16, 185, 129, 0.05);
}

.blitz-input.wrong {
    animation: shake 0.4s;
    border-color: var(--blitz-danger);
    color: var(--blitz-danger);
}

/* Actions */
.blitz-actions {
    width: 100%;
    display: flex;
    justify-content: center;
    margin-top: -1.5rem;
}

.blitz-btn-skip {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--blitz-border);
    color: var(--text-secondary);
    padding: 0.85rem 2rem;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.blitz-btn-skip:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    transform: scale(1.05);
}

/* Overlays */
.blitz-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--blitz-bg);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 50;
    padding: 1.5rem;
    text-align: center;
}

.blitz-overlay.active {
    display: flex;
}

.blitz-result-card {
    max-width: 500px;
    background: var(--blitz-card-bg);
    padding: 3.5rem 2.5rem;
    border-radius: 2.5rem;
    border: 1px solid var(--blitz-border);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
    animation: zoomIn 0.4s cubic-bezier(0.18, 0.89, 0.32, 1.28);
}

.blitz-overlay h1,
.blitz-overlay h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--text-primary), var(--blitz-accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.blitz-btn-start {
    background: var(--blitz-accent);
    color: white;
    border: none;
    padding: 1.4rem 3rem;
    font-size: 1.25rem;
    font-weight: 900;
    border-radius: 1.25rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.18, 0.89, 0.32, 1.28);
    width: 100%;
    margin-top: 2rem;
    box-shadow: 0 10px 25px var(--blitz-accent-glow);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.blitz-btn-start:hover {
    transform: scale(1.05);
    background: #d97706;
    box-shadow: 0 15px 35px var(--blitz-accent-glow);
}

.blitz-btn-secondary {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--blitz-border);
    padding: 1.1rem 3rem;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 1.25rem;
    cursor: pointer;
    width: 100%;
    margin-top: 1rem;
    transition: all 0.2s;
}

.blitz-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.result-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin: 2.5rem 0;
}

.res-stat {
    display: flex;
    flex-direction: column;
    padding: 2rem 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 1.5rem;
    border: 1px solid var(--blitz-border);
}

.res-val {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--blitz-accent);
}

.res-lab {
    font-size: 0.7rem;
    font-weight: 800;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Responsive Mobile & Keyboard Optimization */
@media (max-width: 600px) {
    .lb-global-header .auth-nav-brand .logo-title {
        display: none;
    }

    .blitz-header-inner {
        padding: 12px;
    }

    .blitz-header-title {
        font-size: 1.1rem;
    }

    .blitz-main {
        padding: 1rem;
    }

    .blitz-setup-head h1 {
        font-size: 1.7rem;
    }

    .blitz-setup-head p {
        font-size: 0.88rem;
    }

    .blitz-mode-grid {
        grid-template-columns: 1fr;
    }

    .blitz-btn-start {
        margin-top: 0.3rem;
    }

    .blitz-game-container {
        gap: 1.25rem;
        max-width: 100%;
    }

    .blitz-hud {
        gap: 1.5rem;
        margin-bottom: 0.5rem;
    }

    .hud-value {
        font-size: 1.5rem;
    }

    .hud-label {
        font-size: 0.6rem;
    }

    .blitz-timer-container {
        width: 100px;
        height: 100px;
    }

    .timer-text {
        font-size: 2rem;
    }

    .blitz-hint-card {
        padding: 1.75rem 1rem;
        border-radius: 1.5rem;
    }

    .hint-text {
        font-size: 2rem;
    }

    .hint-reveal {
        margin-top: 0.75rem;
        font-size: 1.4rem;
        min-height: 1.8rem;
    }

    .blitz-input {
        padding: 1.25rem 1.5rem;
        font-size: 1.5rem;
        border-radius: 1rem;
    }

    .blitz-actions {
        margin-top: -0.75rem;
    }

    .blitz-btn-skip {
        padding: 0.65rem 1.5rem;
        font-size: 0.8rem;
    }

    .blitz-quit-btn {
        top: 1rem;
        right: 1rem;
        width: 38px;
        height: 38px;
    }
}

/* Handle Virtual Keyboard (Very short viewports) */
@media (max-height: 650px) and (max-width: 600px) {
    .blitz-page {
        height: 100svh;
    }

    .lb-global-header {
        display: none !important;
    }

    .blitz-main {
        padding: 0 !important;
        align-items: flex-start !important;
        padding-top: 0.5rem !important;
    }

    .blitz-game-container {
        gap: 0.25rem !important;
        padding: 0.25rem;
        transform: none !important;
        opacity: 1 !important;
        justify-content: center !important;
        /* Stack tightly when keyboard is up */
    }

    .blitz-play-area {
        gap: 0.25rem !important;
    }

    .blitz-hud {
        margin-bottom: 0;
        gap: 0.75rem;
    }

    .hud-value {
        font-size: 1.15rem;
    }

    .blitz-timer-container {
        width: 50px;
        height: 50px;
    }

    .timer-text {
        font-size: 1.15rem;
    }

    .blitz-hint-card {
        padding: 0.5rem 0.75rem;
        border-radius: 0.75rem;
    }

    .hint-text {
        font-size: 1.3rem;
    }

    .hint-label,
    .hud-label {
        display: none !important;
    }

    .hint-reveal {
        margin-top: 0.1rem;
        font-size: 1rem;
        min-height: 1.15rem;
    }

    .blitz-input {
        padding: 0.5rem 0.75rem;
        font-size: 1.15rem;
        border-radius: 0.75rem;
    }

    .blitz-actions {
        margin-top: 0;
    }

    .blitz-btn-skip {
        padding: 0.4rem 1rem;
        font-size: 0.75rem;
    }

    .blitz-quit-btn {
        top: 0.5rem;
        right: 0.5rem;
        width: 34px;
        height: 34px;
        background: var(--blitz-card-bg);
        border-color: var(--blitz-border);
    }
}

/* Animations */
@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    20%,
    60% {
        transform: translateX(-12px);
    }

    40%,
    80% {
        transform: translateX(12px);
    }
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(20px);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes pulseSuccess {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.03);
        border-color: var(--blitz-success);
    }

    100% {
        transform: scale(1);
    }
}

.hint-pulse {
    animation: pulseSuccess 0.4s cubic-bezier(0.18, 0.89, 0.32, 1.28);
}

@keyframes heartGain {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.5);
        color: var(--blitz-success);
    }

    100% {
        transform: scale(1);
    }
}

.heart-gain {
    animation: heartGain 0.6s ease-out;
}