@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap');

:root {
    --sand: #ded3c1;
    --darksand: #d1c1a7;
    --moss: #6B8E6E;
    --light-moss: #7eab82;
    --slate: #4a5057;
    --stone: #dedcdc;
    --text-dark: #2f261b;
    --text-light: #ffffff;
    --border-dark: #3a2e20;
    --shadow-soft: rgba(0, 0, 0, 0.15);
}

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

/* ---------- Base ---------- */
body {
    background-color: var(--sand);
    background-image: url('../images/rocktile.png');
    background-repeat: repeat;
    background-size: auto;
    font-family: 'Press Start 2P', monospace;
    color: var(--text-dark);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 60px 25px;
}

/* ---------- Game Container ---------- */
#game-container {
    width: 100%;
    max-width: 960px;
    background-color: var(--darksand);
    border-radius: 8px;
    box-shadow: 0 10px 30px var(--shadow-soft);
    display: flex;
    flex-direction: column;
    min-height: 85vh;
    overflow: hidden;
}

/* ---------- Navigation ---------- */
.nav-settings {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 32px;
    padding: 15px;
    background-color: var(--sand);
    font-family: 'Press Start 2P', cursive;
    font-size: 10px;
    letter-spacing: 1px;
}

.nav-settings a {
    display: inline-block;
    background-color: #c4aa78;
    font-size: 14px;
    color: #000000;
    font-weight: bold;
    text-decoration: none;
    padding: 8px 14px;
    margin: 0 5px;
    border-radius: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    text-align: center;
    cursor: pointer;
    font-family: inherit;
}
.nav-link-small {
    font-size: 5px;
}
/* Hover effect for links */
.nav-settings a:hover {
    background-color: #e8c98e;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.4);
}

/* Active/click effect for links */
.nav-settings a:active {
    transform: translateY(0);
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.3);
}

/* ---------- Divider ---------- */
#game-container hr {
    border: none;
    height: 2px;
    background-color: var(--sand);
}

/* ---------- Inventory Panel ---------- */
.inventory-panel {
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    padding: 20px;
    background-color: var(--sand);
    border-top: 2px solid var(--border-dark);
    border-bottom: 2px solid var(--border-dark);
}

.inventory-slot {
    width: 85px;
    height: 85px;
    background-color: var(--darksand);
    border: 2px solid var(--border-dark);
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: 0.2s ease;
}

.inventory-slot:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 14px var(--shadow-soft);
    border-color: var(--moss);
}

.tool-icon {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

.dragging-brush {
    position: fixed;
    width: 60px;
    height: 60px;
    object-fit: contain;
    pointer-events: none;
    transform: translate(-50%, -50%) scaleY(-1);
    z-index: 9999;
}

.dragging-food-icon {
    position: fixed;
    width: 60px;
    height: 60px;
    object-fit: contain;
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 9999;
}

.dragging-brush.brushing {
    animation: brush-scrub 0.18s ease-in-out infinite alternate;
}

@keyframes brush-scrub {
    from {
        transform: translate(-50%, -50%) scaleY(-1) rotate(-18deg);
    }

    to {
        transform: translate(-50%, -50%) scaleY(-1) rotate(18deg);
    }
}

#btn-clean,
#btn-clean .tool-icon,
#btn-feed,
#btn-feed .tool-icon {
    touch-action: none;
    user-select: none;
    -webkit-user-drag: none;
}

#btn-clean .tool-icon {
    transform: scaleY(-1);
}

/* larger paint tool icon */
#btn-paint-open .tool-icon,
#btn-paint-close .tool-icon {
    width: 90px;
    height: 90px;
}

/* ---------- Center Stage ---------- */
.center-stage {
    position: relative;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 16px;
    background-color: var(--darksand);
    background-image: radial-gradient(ellipse at center bottom,
            rgba(196, 133, 60, 0.08),
            transparent 70%);
    user-select: none;
    -webkit-user-select: none;
}

/* ---------- Rock Visual Wrap ---------- */
.rock-visual-wrap {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: float 3s ease-in-out infinite;
}

.rock-visual-wrap.moon-selected::before {
    content: "";
    position: absolute;
    left: 50%;
    top: calc(50% - 35px);
    width: 340px;
    height: 340px;
    border-radius: 50%;
    background:
        radial-gradient(circle at center, rgba(228, 238, 255, 0.72) 0%, rgba(114, 149, 240, 0.54) 24%, rgba(56, 74, 179, 0.42) 45%, rgba(42, 22, 105, 0.34) 64%, transparent 78%),
        radial-gradient(circle at 32% 28%, rgba(214, 231, 255, 0.95) 0 2px, transparent 3px),
        radial-gradient(circle at 68% 24%, rgba(150, 178, 255, 0.92) 0 1.5px, transparent 3px),
        radial-gradient(circle at 76% 66%, rgba(235, 240, 255, 0.82) 0 2px, transparent 4px),
        radial-gradient(circle at 22% 70%, rgba(120, 154, 255, 0.86) 0 1.5px, transparent 3px),
        radial-gradient(circle at 50% 8%, rgba(205, 220, 255, 0.8) 0 1px, transparent 3px);
    filter: blur(2px) drop-shadow(0 0 16px rgba(91, 132, 255, 0.62)) drop-shadow(0 0 38px rgba(47, 30, 130, 0.62));
    z-index: 0;
    pointer-events: none;
    animation: moon-cosmic-pulse 3.4s ease-in-out infinite;
}

.rock-visual-wrap.moon-selected::after {
    content: "";
    position: absolute;
    left: 50%;
    top: calc(50% - 35px);
    width: 270px;
    height: 270px;
    border-radius: 50%;
    border: 2px solid rgba(119, 153, 255, 0.3);
    box-shadow:
        0 0 20px rgba(74, 112, 235, 0.42),
        inset 0 0 18px rgba(40, 30, 140, 0.36);
    z-index: 1;
    pointer-events: none;
    animation: moon-orbit-shimmer 7s linear infinite;
}

@keyframes moon-cosmic-pulse {
    0%,
    100% {
        opacity: 0.78;
        transform: translate(-50%, -50%) scale(0.96);
    }

    50% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.06);
    }
}

@keyframes moon-orbit-shimmer {
    from {
        transform: translate(-50%, -50%) rotate(0deg) scale(0.96);
        opacity: 0.5;
    }

    50% {
        opacity: 0.82;
    }

    to {
        transform: translate(-50%, -50%) rotate(360deg) scale(0.96);
        opacity: 0.5;
    }
}

/* ---------- Rock Sprite ---------- */
.rock-sprite {
    position: relative;
    z-index: 2;
    width: 250px;
    height: 250px;
    object-fit: contain;
    image-rendering: pixelated;
    filter: drop-shadow(0 10px 20px var(--shadow-soft));
    cursor: grab;
}

.rock-visual-wrap.moon-selected .rock-sprite {
    width: 340px;
    height: 340px;
    transform: translate(-45px, -85px);
}

.rock-sprite:active {
    cursor: grabbing;
}

@keyframes float {

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

    50% {
        transform: translateY(-8px);
    }
}

/* dirt overlay that fades based on cleanliness */
.rock-dirt-layer {
    position: absolute;
    top: 10px;
    width: 300px;
    height: 300px;
    background-image: url('../images/dirty.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;

    pointer-events: none;

    z-index: 3;
    opacity: 0;

    transition: opacity 0.3s ease;
}

/* rock scrub animation */
@keyframes rockScrub {
    0% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-3px);
    }

    50% {
        transform: translateX(3px);
    }

    75% {
        transform: translateX(-2px);
    }

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

.rock-scrubbing {
    animation: rockScrub 0.15s linear;
}

.rock-visual-wrap.moon-selected .rock-scrubbing {
    animation: moonRockScrub 0.15s linear;
}

@keyframes moonRockScrub {
    0% {
        transform: translate(-45px, -85px);
    }

    25% {
        transform: translate(-48px, -85px);
    }

    50% {
        transform: translate(-42px, -85px);
    }

    75% {
        transform: translate(-47px, -85px);
    }

    100% {
        transform: translate(-45px, -85px);
    }
}

/* ---------- Rock Flash Animation ---------- */
@keyframes rockFlash {

    0%,
    100% {
        opacity: 1;
        filter: drop-shadow(0 10px 20px var(--shadow-soft)) brightness(1);
    }

    50% {
        opacity: 1;
        filter: drop-shadow(0 10px 20px var(--shadow-soft)) brightness(2) saturate(0);
    }
}

.rock-sprite.flash {
    animation: rockFlash 0.6s ease-in-out;
}

/* Cleaning Particles */
.clean-particle-layer {
    position: absolute;
    inset: 0;
    z-index: 3;
    pointer-events: none;
    overflow: visible;
}

.clean-particle {
    position: absolute;
    width: 16px;
    height: 16px;
    background-image: url('../images/water_drop.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    pointer-events: none;
    z-index: 4;
    animation: clean-particle-fade 0.5s ease-out forwards;
}

@keyframes clean-particle-fade {
    0% {
        transform: scale(1) translate(0, 0);
        opacity: 1;
    }

    100% {
        transform: scale(0.4) translate(0, -20px);
        opacity: 0;
    }
}

.tool-status {
    margin-top: -18px;
    margin-bottom: 42px;
    min-height: 16px;
    font-size: 12px;
    text-align: center;
    color: var(--text-dark);
    position: relative;
    z-index: 50;
}

/* ---------- Name Plate ---------- */
.name-plate {
    font-family: 'Press Start 2P', cursive;
    font-size: 34px;
    color: var(--text-dark);
    text-align: center;
    margin-top: 20px;
    padding: 10px 24px;
    border: none;
    border-bottom: 2px solid var(--moss);
    background: transparent;
    outline: none;
    letter-spacing: 2px;
    width: 560px;
    max-width: 95%;
}

.name-plate::placeholder {
    color: var(--slate);
}

/* ---------- Rock Info & Legend (from teammate) ---------- */
.rock-info {
    font-family: 'Press Start 2P', cursive;
    text-align: center;
    margin-bottom: 20px;
    background: rgba(255, 255, 255, 0.8);
    padding: 10px;
    border-radius: 10px;
    border: 2px solid #5d4037;
    display: inline-block;
}

.rock-type-title {
    font-family: 'Press Start 2P', cursive;
    margin: 0;
    color: #3e2723;
}

.rock-type-legend {
    background: rgba(255, 255, 255, 0.9);
    padding: 10px;
    border-radius: 8px;
    border: 2px solid #8d6e63;
    margin-bottom: 15px;
    font-size: 0.9em;
}

.rock-type-list {
    margin: 5px 0 0 0;
    padding-left: 20px;
}

/* ---------- Stats Panel ---------- */
.stats-panel {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 24px 40px;
    background-color: var(--sand);
    position: relative;
    user-select: none;
    -webkit-user-select: none;
}

.stat-row {
    display: flex;
    align-items: center;
    gap: 12px;
    white-space: nowrap;
    margin-bottom: 20px;
}

.stat-label {
    font-family: 'Press Start 2P', cursive;
    font-size: 17px;
    font-weight: bold;
    color: var(--text-dark);
    width: 72px;
    flex-shrink: 0;
}

.stat-icon {
    width: 35px;
    height: 35px;
    display: block;
    object-fit: contain;
    flex-shrink: 0;
}

.stat-info {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 260px;
}

.stat-bar {
    flex-grow: 1;
    height: 14px;
    background-color: var(--darksand);
    border: 2px solid var(--border-dark);
    border-radius: 4px;
    overflow: hidden;
}

.stat-fill {
    height: 100%;
    transition: width 0.3s ease;
}

.stat-value {
    min-width: 52px;
    text-align: right;
    font-size: 12px;
    color: var(--text-dark);
}

/* ---------- Sliders ---------- */
.slider-row {
    flex-wrap: nowrap;
}

.stat-slider {
    flex-grow: 1;
    height: 14px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--darksand);
    border: 2px solid var(--border-dark);
    border-radius: 4px;
    outline: none;
    cursor: pointer;
}

.stat-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--moss);
    border: 2px solid var(--border-dark);
    cursor: pointer;
}

.stat-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--moss);
    border: 2px solid var(--border-dark);
    cursor: pointer;
}

.happiness-fill {
    width: 75%;
    background: linear-gradient(to right, #3ecf5e, #7dff95);
}

.hunger-fill {
    width: 60%;
    background: linear-gradient(to right, #ff8c42, #ffb36b);
}

.moisture-fill {
    width: 0%;
    background: linear-gradient(to right, #3a8dde, #67b7ff);
}

.temperature-fill {
    width: 0%;
    background: linear-gradient(to right, #e05c5c, #ff9a7a);
}

.cleanliness-fill {
    width: 90%;
    background: linear-gradient(to right, #e6d25c, #fff09a);
}

/* ---------- Action Panel ---------- */
.action-panel {
    display: flex;
    justify-content: center;
    padding: 24px;
    background-color: var(--darksand);
}

.lab-button {
    font-family: 'Press Start 2P', cursive;
    font-size: 14px;
    color: var(--text-light);
    border-radius: 18px;
    background-color: var(--moss);
    border: 3px solid var(--border-dark);
    padding: 14px 36px;
    cursor: pointer;
    letter-spacing: 1px;
    transition: 0.15s ease;
}

.lab-button:hover {
    background-color: var(--light-moss);
    transform: translateY(-2px);
}

.lab-button:active {
    transform: translateY(1px);
}

/* ---------- Logout button ---------- */
.nav-settings .nav-settings-button {
    display: inline-block;
    background-color: #b57128;
    font-size: 18px;
    color: #000000;
    font-weight: bold;
    padding: 10px 20px;
    margin: 0 10px;
    border-radius: 12px;
    transition: all 0.3s ease;
    cursor: pointer;
    font-family: inherit;
    border: none;
    text-align: center;
}

.nav-settings .nav-settings-button:hover {
    background-color: #ff6666;
    transform: translateY(-2px);
}

.nav-settings .nav-settings-button:active {
    transform: translateY(0);
}

/* ---------- Button Feedback ---------- */
.slot-active {
    background-color: var(--moss) !important;
    transform: translateY(-3px) scale(1.05);
    transition: 0.1s ease;
}

.slot-selected {
    background-color: var(--light-moss);
    border-color: var(--moss);
    box-shadow: 0 0 0 3px rgba(107, 142, 110, 0.35), 0 6px 14px var(--shadow-soft);
    transform: translateY(-2px);
}

.slot-selected .tool-icon {
    transform: scale(1.25);
}

.rock-bounce {
    animation: bounce 0.4s ease !important;
}

@keyframes bounce {
    0% {
        transform: translateY(0);
    }

    30% {
        transform: translateY(-18px);
    }

    50% {
        transform: translateY(-5px);
    }

    70% {
        transform: translateY(-10px);
    }

    100% {
        transform: translateY(0);
    }
}

/* ---------- Lab / Inventory Page ---------- */
.lab-page {
    text-align: center;
    padding: 40px 20px;
    background-color: var(--darksand);
}

.lab-title {
    font-family: 'Press Start 2P', cursive;
    font-size: 24px;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.lab-subtitle {
    font-family: 'Press Start 2P', cursive;
    font-size: 12px;
    color: var(--slate);
    margin-bottom: 32px;
}

.lab-grid {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.lab-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 20px;
    background-color: var(--sand);
    border: 3px solid var(--border-dark);
    border-radius: 12px;
    cursor: pointer;
    transition: 0.2s ease;
    text-decoration: none;
    width: 200px;
}

.lab-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 20px var(--shadow-soft);
    border-color: var(--moss);
}

.lab-rock-img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    image-rendering: pixelated;
}

.lab-rock-type {
    font-family: 'Press Start 2P', cursive;
    font-size: 11px;
    color: var(--text-dark);
}

/* Dictionary entry container */
.lab-dict-entry {
    font-size: 0.85rem;
    text-align: left;
    padding: 16px 18px;
    margin: 16px auto;
    max-width: 700px;

    background-color: var(--sand);
    border: 2px solid var(--border-dark);
    border-radius: 12px;

    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

/* Rock type heading */
.rock-title {
    font-family: 'Press Start 2P', cursive;
    font-size: 20px;
    line-height: 1.4;
    margin-bottom: 10px;
    text-align: center;
    text-decoration: underline;
}

/* Rock title colors */
.sedimentary-title {
    color: #784f00;
}

.metamorphic-title {
    color: #4d4c4a;
}

.igneous-title {
    color: #ff4500;
}

/* Bullet list styling */
.rock-list {
    font-size: 0.72rem;
    line-height: 1.5;
    padding-left: 18px;
    margin: 0;
}

.rock-list li {
    margin-bottom: 6px;
    color: var(--text-dark);
    opacity: 0.9;
}

/* Misc lab text */
.lab-rock-name {
    font-family: 'Press Start 2P', cursive;
    font-size: 9px;
    color: var(--moss);
    font-style: italic;
}

.lab-rock-prefs {
    font-family: 'Press Start 2P', cursive;
    font-size: 8px;
    color: var(--slate);
    margin-top: 4px;
    line-height: 1.6;
}

.lab-note {
    font-size: 12px;
    color: var(--text-dark);
    max-width: 600px;
    margin: 0 auto 24px;
    line-height: 1.5;
    opacity: 0.85;
}

/* Button link fix */
a.lab-button {
    text-decoration: none;
    display: inline-block;
}

/* ---------- Environment Dropdown ---------- */
.env-dropdown {
    background-color: var(--sand);
    border-top: 2px solid var(--border-dark);
    border-bottom: 2px solid var(--border-dark);
    padding: 16px 32px;
    display: none;
    flex-direction: column;
    gap: 12px;
}

.env-dropdown.is-open {
    display: flex;
}

.env-dropdown-header {
    font-family: 'Press Start 2P', cursive;
    font-size: 12px;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: 4px;
}

.env-dropdown-note {
    font-size: 12px;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: 8px;
    line-height: 1.5;
    opacity: 0.85;
}

/* Goldilocks zone (optimal range indicator on slider) */
.env-slider-wrap {
    position: relative;
    width: 100%;
    background: var(--darksand);
    border: 2px solid var(--border-dark);
    border-radius: 4px;
}

.env-goldilocks-zone {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    height: 14px;
    background-color: rgba(107, 142, 110, 0.35);
    border: 1px solid var(--moss);
    border-radius: 3px;
    pointer-events: none;
    z-index: 0;
}

.env-slider-wrap .stat-slider {
    position: relative;
    z-index: 1;
    width: 100%;
    display: block;
    border: none;
    background: transparent;
    margin: 0;
}

/* Optimal glow on stat bars when value is in goldilocks zone */
.stat-fill-optimal {
    box-shadow: 0 0 8px 2px rgba(107, 142, 110, 0.6);
}

.env-slider-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.env-slider-label {
    font-family: 'Press Start 2P', cursive;
    font-size: 11px;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 8px;
}

.env-slider-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.env-slider-label span {
    margin-left: auto;
    font-size: 10px;
    min-width: 40px;
    text-align: right;
}

.notification-area {
    position: absolute;
    top: 16px;
    left: 16px;
    z-index: 50;
    display: flex;
    flex-direction: column;
    gap: 9.5px;
    width: min(285px, calc(100% - 32px));
    max-height: calc(100% - 32px);
    overflow-y: auto;
    pointer-events: none;
}

.notification {
    background-color: #fff4cc;
    color: #2f261b;
    border: 2px solid #b58b2a;
    border-radius: 10px;
    padding: 11.4px 15.2px;
    font-size: 11.4px;
    line-height: 1.4;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    width: 100%;
    pointer-events: auto;

    opacity: 0;
    transform: translateY(-6px);
    animation: notification-fade-in 0.25s ease forwards;
}

.notification.warning {
    background-color: #ffe0b3;
    border-color: #cc7a00;
}

.notification.danger {
    background-color: #ffd6d6;
    border-color: #c0392b;
}

.notification.fade-out {
    animation: notification-fade-out 0.3s ease forwards;
}

@media (max-width: 700px) {
    .notification-area {
        top: 16px;
        left: 16px;
        width: auto;
        max-height: 40vh;
    }
}

@keyframes notification-fade-in {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes notification-fade-out {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-6px);
    }
}

.notification-toggle-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 12px 20px;
    background-color: var(--sand);
    border-top: 2px solid var(--border-dark);
}

.notification-toggle-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 11px;
    color: var(--text-dark);
    cursor: pointer;
}

.notification-toggle-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

/* ---------- Locked Lab Cards ---------- */
.locked-card {
    position: relative;
    cursor: pointer;
    transition: transform 0.2s;
}

.locked-card:hover {
    transform: scale(1.02);
    filter: brightness(1.2);
}

.locked-card .lab-rock-img {
    filter: grayscale(100%) brightness(0.7) opacity(0.5);
}

.locked-overlay {
    position: absolute;
    top: 45px;
    left: 0;
    width: 100%;
    text-align: center;
    font-weight: bold;
    color: #e5cd9e;
    text-shadow: 1.5px 1.5px 0px #4d3c26, -1.5px -1.5px 0px #4d3c26, 1.5px -1.5px 0px #4d3c26, -1.5px 1.5px 0px #4d3c26;
    font-size: 1rem;
    line-height: 1.4;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.locked-overlay img {
    width: 20px;
    height: 20px;
    display: inline-block;
    vertical-align: middle;
    margin: 0 4px;
}

/* ---------- Lab / Locked States Additional ---------- */
.lab-credits-display {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(50,50,55,0.85);
    padding: 12px 20px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.15);
    font-weight: 600;
    font-size: 1.1rem;
    color: #fff;
    box-shadow: 0 4px 15px rgba(0,0,0,0.4);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    gap: 8px;
}

.lab-coin-img {
    width: 24px;
    height: 24px;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

.lab-credits-text {
    color: #4ade80;
    font-size: 1.3rem;
    font-weight: bold;
}

.locked-milestone {
    cursor: not-allowed;
}

.locked-overlay-milestone {
    background: rgba(100, 20, 20, 0.85);
}

.locked-overlay-title {
    font-size: 0.8rem;
    margin-bottom: 5px;
    color: #ff8888;
    font-weight: bold;
}

.locked-overlay-desc {
    font-size: 0.75rem;
    padding: 0 10px;
}

.locked-type, .locked-card .lab-rock-type {
    color: #777;
}

.moon-barrier-card {
    overflow: hidden;
}

.moon-barrier-card::before,
.moon-barrier-card::after {
    content: "";
    position: absolute;
    inset: 12px;
    border-radius: 10px;
    pointer-events: none;
    z-index: 2;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.moon-barrier-card::before {
    background:
        radial-gradient(circle at 50% 38%, rgba(255,255,255,0.5), transparent 22%),
        rgba(85, 175, 210, 0.22);
    border: 4px solid rgba(185, 245, 255, 0.9);
    box-shadow:
        inset 0 0 18px rgba(255,255,255,0.7),
        0 0 18px rgba(80,180,210,0.55);
}

.moon-barrier-card::after {
    opacity: 0;
    background:
        linear-gradient(42deg, transparent 43%, rgba(255,255,255,0.95) 44%, rgba(130,225,255,0.9) 45%, transparent 47%),
        linear-gradient(132deg, transparent 47%, rgba(255,255,255,0.9) 48%, rgba(130,225,255,0.8) 49%, transparent 51%),
        linear-gradient(86deg, transparent 53%, rgba(255,255,255,0.85) 54%, transparent 56%);
    filter: drop-shadow(0 0 4px rgba(210,250,255,0.9));
}

.moon-barrier-card .locked-overlay {
    z-index: 3;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.moon-barrier-card.moon-barrier-broken .locked-overlay {
    opacity: 1;
}

.moon-barrier-card.moon-barrier-hit-1::after,
.moon-barrier-card.moon-barrier-hit-2::after,
.moon-barrier-card.moon-barrier-hit-3::after {
    opacity: 1;
}

.moon-barrier-card.moon-barrier-hit-2::after {
    background:
        linear-gradient(42deg, transparent 43%, rgba(255,255,255,0.95) 44%, rgba(130,225,255,0.9) 45%, transparent 47%),
        linear-gradient(132deg, transparent 47%, rgba(255,255,255,0.9) 48%, rgba(130,225,255,0.8) 49%, transparent 51%),
        linear-gradient(86deg, transparent 53%, rgba(255,255,255,0.85) 54%, transparent 56%),
        linear-gradient(18deg, transparent 58%, rgba(255,255,255,0.85) 59%, rgba(130,225,255,0.75) 60%, transparent 62%),
        linear-gradient(108deg, transparent 36%, rgba(255,255,255,0.8) 37%, transparent 39%);
}

.moon-barrier-card.moon-barrier-struck {
    animation: moon-barrier-strike 0.22s ease;
}

.moon-barrier-card.moon-barrier-shatter::before {
    animation: moon-barrier-fall 0.7s ease-in forwards;
}

.moon-barrier-card.moon-barrier-shatter::after {
    opacity: 1;
    background:
        linear-gradient(42deg, transparent 43%, rgba(255,255,255,0.95) 44%, rgba(130,225,255,0.9) 45%, transparent 47%),
        linear-gradient(132deg, transparent 47%, rgba(255,255,255,0.9) 48%, rgba(130,225,255,0.8) 49%, transparent 51%),
        linear-gradient(86deg, transparent 53%, rgba(255,255,255,0.85) 54%, transparent 56%),
        linear-gradient(18deg, transparent 58%, rgba(255,255,255,0.85) 59%, rgba(130,225,255,0.75) 60%, transparent 62%),
        linear-gradient(108deg, transparent 36%, rgba(255,255,255,0.8) 37%, transparent 39%),
        radial-gradient(circle at 25% 28%, rgba(225,250,255,0.95) 0 5px, transparent 6px),
        radial-gradient(circle at 74% 33%, rgba(225,250,255,0.9) 0 7px, transparent 8px),
        radial-gradient(circle at 38% 70%, rgba(225,250,255,0.9) 0 6px, transparent 7px),
        radial-gradient(circle at 68% 76%, rgba(225,250,255,0.85) 0 5px, transparent 6px);
    animation: moon-barrier-shards 0.7s ease-in forwards;
}

.moon-barrier-card.moon-barrier-broken::before,
.moon-barrier-card.moon-barrier-broken::after {
    opacity: 0;
    transform: scale(1.25);
}

.moon-barrier-card.moon-barrier-broken .lab-rock-img {
    filter: grayscale(100%) brightness(0.85) opacity(0.75);
}

@keyframes moon-barrier-strike {
    0%, 100% {
        transform: translateY(0) rotate(0);
    }

    15% {
        transform: translate(-5px, -1px) rotate(-1deg);
    }

    35% {
        transform: translate(5px, 1px) rotate(1deg);
    }

    55% {
        transform: translate(-3px, 1px) rotate(-1deg);
    }

    75% {
        transform: translate(3px, -1px) rotate(1deg);
    }
}

@keyframes moon-barrier-fall {
    0% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }

    40% {
        opacity: 0.9;
        transform: translateY(10px) scale(1.04) rotate(2deg);
    }

    100% {
        opacity: 0;
        transform: translateY(140px) scale(0.92) rotate(8deg);
    }
}

@keyframes moon-barrier-shards {
    0% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }

    45% {
        opacity: 1;
        transform: translateY(18px) scale(1.08);
    }

    100% {
        opacity: 0;
        transform: translateY(165px) scale(0.85) rotate(-10deg);
    }
}

.hidden-csrf-form {
    display: none;
}

.floating-tip {
    position: fixed;
    background: linear-gradient(145deg, #ffffff, #f8f8f8);
    border: 2px solid #667eea;
    border-radius: 8px;
    padding: 12px 16px;
    max-width: 250px;
    font-size: 0.9rem;
    box-shadow: 0 6px 20px rgba(0,0,0,0.2);
    pointer-events: none;
    display: none;
    z-index: 1000;
}