/* ======================================
   Fiber Empire — Cozy Pastel Theme
   ====================================== */

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

:root {
    --bg: #FFF8F0;
    --bg-panel: #FFFFFF;
    --bg-card: #FFFFFF;
    --bg-card-hover: #FFF0E8;
    --bg-affordable: #F0FFF0;
    --text: #4A3728;
    --text-light: #8B7355;
    --text-muted: #B8A088;
    --rose: #E8A0BF;
    --rose-light: #F5D0E0;
    --lavender: #B4A7D6;
    --lavender-light: #D9D2F0;
    --sage: #B5D6A7;
    --sage-light: #DCF0D2;
    --cream: #FFF3E0;
    --shadow: 0 2px 12px rgba(74, 55, 40, 0.08);
    --shadow-hover: 0 4px 20px rgba(74, 55, 40, 0.14);
    --radius: 14px;
    --radius-sm: 10px;
    --font: 'Nunito', 'Segoe UI', system-ui, sans-serif;
}

html, body {
    height: 100%;
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    overflow: hidden;
    touch-action: manipulation;
}

/* --- App Layout --- */
.app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    max-height: 100vh;
    overflow: hidden;
}

@media (max-width: 900px) {
    html, body {
        overflow: auto;
    }

    .app {
        height: auto;
        max-height: none;
        overflow: visible;
        min-height: 100vh;
    }
}

/* --- Header --- */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--rose-light), var(--lavender-light));
    border-bottom: 2px solid var(--rose);
    flex-shrink: 0;
    position: relative;
}

.title {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.title-icon {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.reset-btn {
    background: none;
    border: none;
    font-size: 1.3rem;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    transition: color 0.2s, background 0.2s;
    opacity: 0.5;
}

.reset-btn:hover {
    opacity: 1;
    color: var(--rose);
    background: rgba(0, 0, 0, 0.05);
}

.reset-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.reset-overlay-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
}

.reset-popup {
    position: relative;
    z-index: 1;
    background: var(--bg-panel);
    border-radius: var(--radius-md);
    padding: 28px 32px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    text-align: center;
    max-width: 340px;
    animation: popIn 0.2s ease-out;
}

.reset-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 8px 0;
}

.reset-text {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0 0 20px 0;
    line-height: 1.4;
}

.reset-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.reset-cancel {
    padding: 8px 20px;
    border-radius: var(--radius-sm);
    border: 2px solid var(--sage);
    background: none;
    color: var(--sage);
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    transition: background 0.2s;
}

.reset-cancel:hover {
    background: var(--sage);
    color: white;
}

.reset-confirm {
    padding: 8px 20px;
    border-radius: var(--radius-sm);
    border: 2px solid var(--rose);
    background: var(--rose);
    color: white;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    transition: opacity 0.2s;
}

.reset-confirm:hover {
    opacity: 0.85;
}

.resources {
    display: flex;
    gap: 24px;
}

.resource {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-panel);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
}

.resource-icon {
    font-size: 1.3rem;
}

.resource-icon-img {
    width: 26px;
    height: 26px;
    object-fit: contain;
}

.resource-label {
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.resource-value {
    font-weight: 800;
    font-size: 1.2rem;
    min-width: 60px;
    text-align: right;
}

.resource-rate {
    font-size: 0.8rem;
    color: var(--sage);
    font-weight: 600;
}

/* --- Main 3-Column Layout --- */
.main {
    display: grid;
    grid-template-columns: 280px 1fr 280px;
    gap: 12px;
    padding: 12px;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

/* --- Side Panels --- */
.panel {
    background: var(--bg-panel);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 16px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.panel-title {
    font-size: 1.1rem;
    font-weight: 800;
    margin-bottom: 2px;
}

.panel-subtitle {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.item-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
    flex: 1;
    padding-right: 4px;
    padding-top: 4px;
}

.item-list::-webkit-scrollbar {
    width: 6px;
}

.item-list::-webkit-scrollbar-track {
    background: transparent;
}

.item-list::-webkit-scrollbar-thumb {
    background: var(--rose-light);
    border-radius: 3px;
}

/* --- Item Cards (Producers & Projects) --- */
.item-card {
    background: var(--cream);
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    opacity: 0.55;
    pointer-events: none;
}

.item-card-body {
    display: flex;
    align-items: center;
    gap: 10px;
}

.item-icon {
    width: 72px;
    height: 72px;
    object-fit: contain;
    flex-shrink: 0;
    border-radius: 8px;
}

.item-info {
    flex: 1;
    min-width: 0;
}

.item-card.affordable {
    opacity: 1;
    pointer-events: auto;
    border-color: var(--sage);
    background: var(--bg-affordable);
}

.item-card.affordable:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    border-color: var(--sage);
    background: var(--sage-light);
}

.item-card.affordable:active {
    transform: translateY(0);
    box-shadow: var(--shadow);
}

.item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.item-name {
    font-weight: 700;
    font-size: 0.95rem;
}

.item-count {
    font-weight: 800;
    font-size: 0.85rem;
    background: var(--lavender-light);
    color: var(--text);
    padding: 2px 8px;
    border-radius: 20px;
    min-width: 32px;
    text-align: center;
}

.item-description {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-bottom: 6px;
    line-height: 1.3;
}

.item-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
}

.item-cost {
    font-weight: 700;
    color: var(--text);
}

.item-output {
    color: var(--sage);
    font-weight: 600;
    font-size: 0.75rem;
}

/* --- Center Panel (Yarn Ball + Orbits) --- */
.center-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    overflow: visible;
}

/* --- Orbit System --- */
.orbit-area {
    position: relative;
    width: 460px;
    height: 460px;
    flex-shrink: 0;
}

.yarn-ball-wrapper {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
}

.orbit-ring {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

/* Each slot animates itself around a circle.
   The triple-rotate trick (rotate, translate, counter-rotate)
   keeps icons perfectly upright at all times. */
.orbit-slot {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    z-index: 0;
}

/* Badged items always render on top so the count badge is never hidden */
.orbit-slot.has-badge {
    z-index: 2;
}

.orbit-inner .orbit-slot {
    animation: orbit-inner-path 45s linear infinite;
    animation-delay: calc(-45s * var(--i) / var(--total));
}

.orbit-outer .orbit-slot {
    animation: orbit-outer-path 60s linear infinite;
    animation-delay: calc(-60s * var(--i) / var(--total));
}

@keyframes orbit-inner-path {
    from { transform: rotate(0deg)    translateY(-145px) rotate(0deg); }
    to   { transform: rotate(360deg)  translateY(-145px) rotate(-360deg); }
}

@keyframes orbit-outer-path {
    from { transform: rotate(0deg)    translateY(-205px) rotate(0deg); }
    to   { transform: rotate(-360deg) translateY(-205px) rotate(360deg); }
}

.orbit-icon-wrapper {
    position: absolute;
    transform: translate(-50%, -50%);
}

.orbit-inner .orbit-icon {
    width: 48px;
    height: 48px;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(74, 55, 40, 0.15));
    animation: wobble 2.5s ease-in-out infinite;
    animation-delay: calc(-2.5s * var(--i) / var(--total));
}

.orbit-outer .orbit-icon {
    width: 38px;
    height: 38px;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(74, 55, 40, 0.15));
    animation: wobble 3s ease-in-out infinite;
    animation-delay: calc(-3s * var(--i) / var(--total));
}

@keyframes wobble {
    0%, 100% { transform: rotate(0deg); }
    25%      { transform: rotate(15deg); }
    75%      { transform: rotate(-15deg); }
}

.orbit-count {
    position: absolute;
    bottom: -4px;
    right: -6px;
    background: var(--rose);
    color: #fff;
    font-size: 0.6rem;
    font-weight: 800;
    padding: 1px 5px;
    border-radius: 10px;
    line-height: 1.3;
    white-space: nowrap;
    box-shadow: 0 1px 3px rgba(74, 55, 40, 0.2);
    font-family: var(--font);
}

/* --- Yarn Ball Button --- */
.yarn-ball {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    border: 4px solid var(--rose);
    touch-action: manipulation;
    background: linear-gradient(145deg, var(--rose-light), var(--lavender-light));
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0;
    box-shadow: 0 6px 24px rgba(232, 160, 191, 0.3);
    font-family: var(--font);
    padding: 16px;
    animation: breathe 3s ease-in-out infinite;
    transition: box-shadow 0.15s ease;
}

.yarn-ball:hover {
    animation: none;
    transform: scale(1.05);
    box-shadow: 0 8px 32px rgba(232, 160, 191, 0.45);
}

.yarn-ball:active {
    animation: pop 0.15s ease forwards;
    transform: scale(0.92);
    box-shadow: 0 3px 12px rgba(232, 160, 191, 0.2);
}

@keyframes breathe {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.03); }
}

.yarn-ball-img {
    width: 100px;
    height: 100px;
    object-fit: contain;
    pointer-events: none;
}

.yarn-ball-label {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text);
}

.click-info {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 600;
}

/* --- Click Particles --- */
.click-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: visible;
}

.click-particle {
    position: absolute;
    top: 20%;
    font-size: 1.15rem;
    font-weight: 800;
    color: #5a9a48;
    pointer-events: none;
    animation: float-up 1s ease-out forwards;
    white-space: nowrap;
    text-shadow:
        0 0 4px rgba(255, 255, 255, 0.9),
        0 0 8px rgba(255, 255, 255, 0.5);
}

@keyframes float-up {
    0% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateY(-80px) scale(0.6);
    }
}

/* --- Stats --- */
.stats {
    background: var(--bg-panel);
    border-radius: var(--radius-sm);
    padding: 14px 20px;
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 320px;
}

.stats h3 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.82rem;
    padding: 3px 0;
    color: var(--text-light);
}

.stat-row span:last-child {
    font-weight: 700;
    color: var(--text);
}

/* --- Upgrades Bar --- */
.upgrades-bar {
    padding: 10px 24px;
    flex-shrink: 0;
}

.bar-title {
    font-size: 0.95rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.upgrades-list {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-top: 4px;
    padding-bottom: 6px;
}

.upgrades-list::-webkit-scrollbar {
    height: 5px;
}

.upgrades-list::-webkit-scrollbar-thumb {
    background: var(--lavender-light);
    border-radius: 3px;
}

.upgrade-card {
    min-width: 180px;
    max-width: 200px;
    background: var(--cream);
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    opacity: 0.5;
    pointer-events: none;
    flex-shrink: 0;
}

.upgrade-card.affordable {
    opacity: 1;
    pointer-events: auto;
    border-color: var(--lavender);
    background: var(--lavender-light);
}

.upgrade-card.affordable:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.upgrade-card.affordable:active {
    transform: translateY(0);
}

.upgrade-name {
    font-weight: 700;
    font-size: 0.88rem;
    margin-bottom: 4px;
}

.upgrade-description {
    font-size: 0.73rem;
    color: var(--text-light);
    margin-bottom: 6px;
    line-height: 1.3;
}

.upgrade-cost {
    font-weight: 700;
    font-size: 0.82rem;
    color: var(--lavender);
}

/* --- Achievements Bar --- */
.achievements-bar {
    padding: 8px 24px 20px;
    flex-shrink: 0;
    position: relative;
}

.achievements-counter {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
}

.achievements-list {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.achievement {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    user-select: none;
}

.achievement:hover {
    transform: scale(1.05);
}

.achievement.unlocked {
    background: linear-gradient(135deg, var(--sage-light), var(--cream));
    border: 1px solid var(--sage);
    color: var(--text);
}

.achievement.locked {
    background: var(--bg);
    border: 1px solid var(--text-muted);
    color: var(--text-muted);
    opacity: 0.5;
}

.achievement.locked:hover {
    opacity: 0.7;
}

.achievement.selected {
    outline: 2px solid var(--rose);
    outline-offset: 1px;
    opacity: 1;
}

.achievement-icon {
    font-size: 0.85rem;
}

.achievement-name {
    font-size: 0.72rem;
}

/* --- Achievement Overlay & Popup --- */
.achievement-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.achievement-overlay-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(74, 55, 40, 0.15);
    cursor: pointer;
}

.achievement-popup {
    position: relative;
    z-index: 1;
    animation: popIn 0.2s ease;
}

@keyframes popIn {
    from { opacity: 0; transform: scale(0.9); }
    to   { opacity: 1; transform: scale(1); }
}

.achievement-detail {
    padding: 20px 28px;
    background: linear-gradient(145deg, #fff, var(--cream));
    border: 1px solid var(--lavender);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(74, 55, 40, 0.18);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    min-width: 240px;
    max-width: 320px;
}

.achievement-detail-close {
    position: absolute;
    top: 6px;
    right: 10px;
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--text-muted);
    padding: 2px 6px;
    line-height: 1;
    border-radius: 50%;
    transition: color 0.15s;
}

.achievement-detail-close:hover {
    color: var(--text);
}

.achievement-detail-icon {
    font-size: 2rem;
}

.achievement-detail-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    font-family: var(--font);
}

.achievement-detail-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: center;
    line-height: 1.4;
    font-style: italic;
}

.achievement-detail-progress {
    width: 100%;
    margin-top: 4px;
}

.progress-bar {
    width: 100%;
    height: 10px;
    background: var(--bg);
    border-radius: 5px;
    overflow: hidden;
    border: 1px solid var(--lavender);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--sage), var(--sage-light));
    border-radius: 5px;
    transition: width 0.4s ease;
    min-width: 0;
}

.progress-label {
    text-align: center;
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: 4px;
    font-weight: 600;
}

.achievement-detail-unlocked {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--sage);
    margin-top: 2px;
}

/* --- Responsive --- */
@media (max-width: 900px) {
    .main {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
        overflow: visible;
        flex: none;
    }

    .header {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .resources {
        flex-wrap: wrap;
        justify-content: center;
    }

    .center-panel {
        order: -1;
    }

    .orbit-area {
        width: 360px;
        height: 360px;
    }

    .yarn-ball {
        width: 100px;
        height: 100px;
    }

    .yarn-ball-img {
        width: 60px;
        height: 60px;
    }

    .orbit-inner .orbit-slot {
        animation-name: orbit-inner-path-sm;
    }

    .orbit-outer .orbit-slot {
        animation-name: orbit-outer-path-sm;
    }

    @keyframes orbit-inner-path-sm {
        from { transform: rotate(0deg)    translateY(-105px) rotate(0deg); }
        to   { transform: rotate(360deg)  translateY(-105px) rotate(-360deg); }
    }

    @keyframes orbit-outer-path-sm {
        from { transform: rotate(0deg)    translateY(-155px) rotate(0deg); }
        to   { transform: rotate(-360deg) translateY(-155px) rotate(360deg); }
    }

    .orbit-inner .orbit-icon {
        width: 128px;
        height: 128px;
    }

    .orbit-outer .orbit-icon {
        width: 104px;
        height: 104px;
    }

    .panel {
        max-height: none;
        overflow: visible;
    }

    .item-list {
        overflow: visible;
    }

    .upgrades-list {
        flex-wrap: wrap;
    }
}

/* --- Animations --- */
@keyframes pop {
    0% { transform: scale(1); }
    50% { transform: scale(1.12); }
    100% { transform: scale(1); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.item-card, .upgrade-card, .achievement {
    animation: fadeInUp 0.3s ease;
}

/* --- Scrollbar global --- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--rose-light);
    border-radius: 3px;
}