/* Japanese Harajuku Kawaii Theme - 100% Anti-Stick Lab */

:root {
    --c-pink: #ff9eb5;
    --c-pink-light: #ffd1dc;
    --c-blue: #a6ddef;
    --c-green: #a3d699;
    --c-cream: #fff9e6;
    --c-brown: #8c6a5d;
    --c-brown-light: #d4b5a2;
    --c-bg: #fffcf7;
    --c-font: #5c4a43;
    --c-border: #f0e1d6;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'M PLUS Rounded 1c', 'Kosugi Maru', -apple-system, sans-serif;
    background-color: var(--c-bg);
    color: var(--c-font);
    overflow-x: hidden;
    background-image: radial-gradient(var(--c-pink-light) 2px, transparent 2px);
    background-size: 30px 30px;
}

.c-entrance-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--c-cream);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: opacity 1s ease-in-out;
}

.c-anim-container {
    text-align: center;
}

.c-title-entrance {
    font-size: 2.5rem;
    color: var(--c-brown);
    letter-spacing: 2px;
    margin: 0;
    text-shadow: 2px 2px 0 var(--c-pink-light);
}

.c-kawaii-pan {
    animation: panSway 2s ease-in-out infinite alternate;
}

.c-pop-crepe {
    transform-origin: center;
    animation: crepePop 2s ease-in-out infinite alternate;
}

@keyframes panSway {
    0% {
        transform: rotate(-5deg);
    }

    100% {
        transform: rotate(5deg);
    }
}

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

    50% {
        transform: translateY(-10px) scale(1.05);
    }

    100% {
        transform: translateY(0) scale(1);
    }
}

.mt-10 {
    margin-top: 10px;
}

.mt-15 {
    margin-top: 15px;
}

.mt-20 {
    margin-top: 20px;
}

.hidden {
    display: none !important;
}

.c-nav {
    padding: 15px 30px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(5px);
    border-bottom: 2px dashed var(--c-pink-light);
    position: sticky;
    top: 0;
    z-index: 100;
}

.c-nav-link {
    color: var(--c-pink);
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    transition: color 0.3s;
}

.c-nav-link:hover {
    color: var(--c-brown);
}

/* Layout */
.c-main-layout {
    display: flex;
    max-width: 1400px;
    margin: 30px auto;
    gap: 30px;
    padding: 0 20px;
    min-height: 80vh;
}

.c-panel {
    background: #fff;
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 10px 25px rgba(255, 158, 181, 0.15);
    border: 3px solid var(--c-pink-light);
    display: flex;
    flex-direction: column;
}

.c-panel-title {
    color: var(--c-brown);
    font-size: 1.4rem;
    margin-top: 0;
    margin-bottom: 15px;
    border-bottom: 2px solid var(--c-cream);
    padding-bottom: 10px;
    text-align: center;
}

.c-panel-left {
    flex: 1.2;
}

.c-panel-center {
    flex: 2;
    align-items: center;
}

.c-panel-right {
    flex: 1;
}

.c-input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.c-input-group label {
    font-weight: bold;
    color: var(--c-brown);
}

.c-input-group input {
    background: var(--c-cream);
    border: 2px solid var(--c-pink-light);
    padding: 12px;
    border-radius: 12px;
    font-size: 1.2rem;
    color: var(--c-brown);
    outline: none;
    width: 100%;
    box-sizing: border-box;
    font-family: 'M PLUS Rounded 1c', sans-serif;
    text-align: center;
    transition: all 0.3s;
}

.c-input-group input:focus {
    border-color: var(--c-pink);
    box-shadow: 0 0 0 3px rgba(255, 158, 181, 0.2);
}

.c-btn {
    padding: 12px 20px;
    border: none;
    border-radius: 15px;
    font-family: 'M PLUS Rounded 1c', sans-serif;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    font-size: 1rem;
}

.c-btn:active {
    transform: scale(0.95);
}

.c-btn-calc {
    background-color: var(--c-pink);
    color: white;
    width: 100%;
    font-size: 1.2rem;
    box-shadow: 0 4px 0 #e68a9f;
}

.c-btn-calc:hover {
    background-color: #ff8ca8;
}

.c-btn-primary {
    background-color: var(--c-blue);
    color: white;
    box-shadow: 0 4px 0 #92c5d5;
}

.c-btn-accent {
    background-color: var(--c-green);
    color: white;
    box-shadow: 0 4px 0 #8dc184;
}

/* Material List */
.c-data-readout {
    background: var(--c-cream);
    border-radius: 15px;
    padding: 15px;
    border: 2px dashed var(--c-brown-light);
    flex-grow: 1;
}

.c-mat-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 1.1rem;
    border-bottom: 1px dotted var(--c-pink-light);
    padding-bottom: 4px;
}

.c-mat-name {
    color: var(--c-brown);
    font-weight: bold;
}

.c-mat-val {
    color: var(--c-pink);
    font-weight: bold;
}

/* Center Stage */
.c-render-viewport {
    width: 100%;
    height: 400px;
    background: radial-gradient(circle, #fff, var(--c-cream));
    border-radius: 20px;
    border: 2px dashed var(--c-blue);
    position: relative;
    overflow: hidden;
    margin-bottom: 15px;
}

.c-controls-overlay {
    width: 100%;
}

/* Right Panel */
.c-hint-box {
    background: #fff4f4;
    border-left: 4px solid #ff7aa2;
    padding: 10px;
    border-radius: 6px;
    font-size: 0.9rem;
    color: var(--c-brown);
}

.c-fill-item {
    display: flex;
    gap: 10px;
    background: var(--c-cream);
    padding: 10px;
    border-radius: 10px;
    border: 1px solid var(--c-border);
}

.c-fill-icon {
    font-size: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.c-fill-desc {
    font-size: 0.9rem;
    line-height: 1.4;
}

/* Modal */
.c-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 252, 247, 0.85);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.c-modal-content {
    background: #fff;
    border: 4px solid var(--c-pink);
    border-radius: 20px;
    padding: 30px;
    width: 90%;
    max-width: 600px;
    position: relative;
    box-shadow: 0 15px 30px rgba(255, 158, 181, 0.3);
    color: var(--c-font);
    font-family: 'M PLUS Rounded 1c', sans-serif;
    max-height: 80vh;
    overflow-y: auto;
}

.c-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--c-pink);
    transition: transform 0.3s;
}

.c-close:hover {
    transform: rotate(90deg);
}

.c-modal-header {
    font-size: 1.5rem;
    color: var(--c-brown);
    border-bottom: 3px dashed var(--c-cream);
    padding-bottom: 10px;
    margin-bottom: 20px;
    text-align: center;
    font-weight: bold;
}

/* Animations added to elements in SVG dynamically */
.draw-path {
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    animation: dash 2s linear forwards;
}

@keyframes dash {
    to {
        stroke-dashoffset: 0;
    }
}

.steam-anim {
    animation: rise 3s linear infinite;
}

@keyframes rise {
    0% {
        transform: translateY(0) scale(1);
        opacity: 0;
    }

    50% {
        opacity: 0.6;
    }

    100% {
        transform: translateY(-30px) scale(1.5);
        opacity: 0;
    }
}