/* =====================
   Magic Pixel - Main Styles
   休闲卡通/像素游戏风格
   ===================== */

/* 导入设计系统变量 */
@import url('variables.css');

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

html {
    font-size: 16px;
    overflow-x: hidden;
    overflow-y: auto;
    scrollbar-width: none;           /* Firefox */
    -ms-overflow-style: none;       /* IE/Edge legacy */
}

html::-webkit-scrollbar {
    display: none !important;       /* Chrome/Safari/Edge */
}

body::-webkit-scrollbar {
    display: none !important;       /* Chrome/Safari/Edge */
}

body {
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    background-color: #fdf4d7;
    color: var(--pixel-text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* ===== 标题样式 ===== */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.4;
    letter-spacing: 0.01em;
}

h1, .title-xl {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    line-height: 1.3;
}

h2, .title-lg {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    line-height: 1.4;
}

h3, .title-md {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    line-height: 1.4;
}

h4, .title-sm {
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    line-height: 1.5;
}

/* ===== 像素网格背景（保留用于兼容） ===== */
.pixel-bg-grid {
    background-image:
        linear-gradient(rgba(201, 149, 108, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(201, 149, 108, 0.05) 1px, transparent 1px);
    background-size: 20px 20px;
}

/* 卡片网格背景 - 比主页背景更浅 */
.pixel-bg-card-grid {
    background-color: #FFFDF9;
    background-image:
        linear-gradient(rgba(201, 149, 108, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(201, 149, 108, 0.05) 1px, transparent 1px);
    background-size: 20px 20px;
}

/* Header */
.header {
    background-color: #aedaaf;
    color: var(--pixel-text-dark);
    padding: 1.25rem 2rem 1.25rem 5rem;
    border-bottom: none;
    text-align: center;
    position: relative;
}

/* 波浪边框 */
.waviy {
    position: relative;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    background-color: #aedaaf;
}

.waviy svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 40px;
}

.header__logo {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.header__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    animation: float 3s ease-in-out infinite;
}

@media (min-width: 640px) {
    .header__icon {
        width: 3rem;
        height: 3rem;
    }
}

.header__icon svg {
    width: 100%;
    height: 100%;
    color: #499e91;
}

.header__title {
    font-family: var(--font-display);
    font-size: 3.375rem;
    font-weight: var(--font-bold);
    color: var(--pixel-text-dark);
}

/* 主标题容器 */
.header__titles {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

/* 主标题 - 应用名 */
.header__main-title {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: var(--font-bold);
    color: #FEF8E8;
    line-height: 1.1;
    margin: 0;
}

/* 副标题 - 功能名 */
.header__sub-title {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: var(--font-semibold);
    color: #FEF8E8;
    margin-top: 0.25rem;
    letter-spacing: 0.05em;
}

.header__subtitle {
    font-size: 0.875rem;
    opacity: 0.9;
    margin-top: 0.25rem;
}

/* Main Layout */
.main-container {
    display: flex;
    min-height: calc(100vh - 80px);
}

/* Control Panel - 游戏化面板 */
.control-panel {
    width: 340px;
    min-width: 340px;
    background: transparent;
    border-right: none;
    padding: 1rem;
    padding-right: 0.5rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: stretch;
}

/* Preview Area */
.preview-area {
    flex: 1;
    padding: 1rem;
    padding-left: 0.5rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Section Title */
.section-title {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--pixel-text-primary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Image Info */
.image-info {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.75rem;
    background: #FFFDF5;
    border-radius: var(--pixel-card-radius);
    margin-top: 0.75rem;
    font-size: 0.8rem;
    color: var(--pixel-text-secondary);
    border: 3px dashed var(--pixel-card-border-dashed);
    overflow: hidden;
}

.image-info__name {
    flex: 1 1 100%;
    min-width: 0;
    font-weight: 600;
    color: var(--pixel-text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Piece Size Info */
.piece-size-info {
    font-size: 0.8rem;
    color: var(--pixel-text-secondary);
    padding: 0.5rem 0;
}

/* Pieces Count */
.pieces-count {
    font-weight: 500;
    color: var(--pixel-text-secondary);
    margin-left: auto;
}

/* Preview Section - 卡片 */
.preview-section {
    background: var(--pixel-card-bg);
    border-radius: var(--pixel-card-radius);
    padding: 1.25rem;
    box-shadow: var(--pixel-card-shadow);
    border: 4px solid transparent;
    position: relative;
}

.preview-section::before {
    content: '';
    position: absolute;
    inset: 8px;
    border: 3px dashed var(--pixel-card-border-dashed);
    border-radius: calc(var(--pixel-card-radius) - 8px);
    pointer-events: none;
    z-index: 1;
}

/* Preview Container */
.preview-container {
    position: relative;
    background: var(--pixel-bg-main);
    border: 3px dashed var(--pixel-card-border-dashed);
    border-radius: var(--pixel-radius-md);
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.preview-placeholder {
    text-align: center;
    color: var(--pixel-text-secondary);
}

.preview-placeholder svg {
    width: 64px;
    height: 64px;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.preview-placeholder p {
    font-size: 0.875rem;
}

#previewCanvas {
    display: block;
}

/* Preview Wrapper - 包裹 canvas 和网格，用于缩放和平移 */
.preview-wrapper {
    position: relative;
    cursor: grab;
}

.preview-wrapper:active {
    cursor: grabbing;
}

.preview-wrapper.dragging {
    cursor: grabbing;
}

/* Grid Overlay */
.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
}

/* Grid Lines */
.grid-line-h,
.grid-line-v {
    position: absolute;
    background: var(--pixel-border-dashed);
    pointer-events: none;
}

.grid-line-h {
    left: 0;
    right: 0;
    height: 2px;
}

.grid-line-v {
    top: 0;
    bottom: 0;
    width: 2px;
}

/* Pieces Section - 卡片 */
.pieces-section {
    background: var(--pixel-card-bg);
    border-radius: var(--pixel-card-radius);
    padding: 1.25rem;
    box-shadow: var(--pixel-card-shadow);
    border: 4px solid transparent;
    position: relative;
}

.pieces-section::before {
    content: '';
    position: absolute;
    inset: 8px;
    border: 3px dashed var(--pixel-card-border-dashed);
    border-radius: calc(var(--pixel-card-radius) - 8px);
    pointer-events: none;
    z-index: 1;
}

/* Piece Grid */
.piece-grid {
    display: grid;
    gap: 0.75rem;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(45, 31, 61, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

/* 像素风格加载动画 */
.loading-spinner {
    width: 48px;
    height: 48px;
    background:
        linear-gradient(45deg, var(--pixel-primary) 25%, transparent 25%),
        linear-gradient(-45deg, var(--pixel-primary) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, var(--pixel-primary) 75%),
        linear-gradient(-45deg, transparent 75%, var(--pixel-primary) 75%);
    background-size: 12px 12px;
    animation: pixelLoad 1s linear infinite;
}

@keyframes pixelLoad {
    0%, 100% { background-position: 0% 0%; }
    50% { background-position: 100% 100%; }
}

.loading-text {
    color: white;
    margin-top: 1rem;
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
}

/* Progress Bar */
.progress-bar {
    position: fixed;
    top: 80px;
    left: 320px;
    right: 0;
    height: 6px;
    background: rgba(255, 107, 53, 0.2);
    z-index: 100;
}

.progress-bar__fill {
    height: 100%;
    background: var(--pixel-primary);
    transition: width 0.3s ease;
}

.progress-bar__text {
    position: absolute;
    right: 1rem;
    top: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--pixel-text-primary);
}

/* Toast Container */
.toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 1001;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* ===== 动画定义 ===== */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

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

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    25% {
        transform: translateY(-8px) rotate(2deg);
    }
    75% {
        transform: translateY(-4px) rotate(-2deg);
    }
}

@keyframes pixelShake {
    0%, 100% { transform: translate(0, 0); }
    25% { transform: translate(-2px, 2px); }
    50% { transform: translate(2px, -2px); }
    75% { transform: translate(-2px, -2px); }
}

@keyframes starTwinkle {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(0.8);
    }
}

/* ===== 工具类 ===== */
.animate-bounceIn {
    animation: bounceIn 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-pixelShake:hover {
    animation: pixelShake 0.3s ease-in-out;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .main-container {
        flex-direction: column;
    }

    .control-panel {
        width: 100%;
        min-width: unset;
        border-right: none;
        border-bottom: none;
    }

    .control-card {
        width: 100%;
    }

    .progress-bar {
        left: 0;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 1rem;
        padding-left: 1rem;
    }

    .control-panel {
        padding: 0.75rem;
    }

    .preview-area {
        padding: 1rem;
    }

    .card-section {
        padding: 1rem;
    }
}