/* HyperOS Update Emulator Styles with Miuix Design */

/* Miuix Design System Variables - Default Light Mode */
:root {
    --miuix-primary-color: #00bfff;
    --miuix-secondary-color: #1e1e1e;
    --miuix-background-color: #ffffff;
    --miuix-surface-color: #f5f5f5;
    --miuix-text-primary: #000000;
    --miuix-text-secondary: rgba(0, 0, 0, 0.8);
    --miuix-text-tertiary: rgba(0, 0, 0, 0.6);
    --miuix-border-color: rgba(0, 0, 0, 0.1);
    --miuix-radius: 16px;
    --miuix-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --miuix-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --miuix-animation-duration: 0.4s;
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --miuix-primary-color: #00bfff;
        --miuix-secondary-color: #1e1e1e;
        --miuix-background-color: #000000;
        --miuix-surface-color: #121212;
        --miuix-text-primary: #ffffff;
        --miuix-text-secondary: rgba(255, 255, 255, 0.8);
        --miuix-text-tertiary: rgba(255, 255, 255, 0.6);
        --miuix-border-color: rgba(255, 255, 255, 0.1);
        --miuix-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    }
}

/* Browser compatibility: Fallback for CSS variables */
.hyperos-update-container,
.hyperos-history-container {
    /* Fallback colors for browsers that don't support CSS variables */
    background-color: #000000;
    color: #ffffff;
}

/* Reset and Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Wrapper for both containers */
.hyperos-update-wrapper {
    position: relative;
    max-width: 500px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 16px; /* Fixed value fallback */
    border-radius: var(--miuix-radius);
    box-shadow: var(--miuix-shadow);
    min-height: 100vh;
}

/* p1: Main Container Style */
.hyperos-update-container {
    background-color: var(--miuix-background-color);
    color: var(--miuix-text-primary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    padding: 32px 24px;
    border-radius: 16px; /* Fixed value fallback */
    border-radius: var(--miuix-radius);
    width: 100%;
    min-height: 100vh;
    position: relative;
    overflow: hidden;
    /* Fallback color using CSS variable */
    background-color: var(--miuix-background-color);
    /* Gradient with CSS variables */
    background: -webkit-linear-gradient(135deg, var(--miuix-background-color) 0%, var(--miuix-surface-color) 100%);
    background: -moz-linear-gradient(135deg, var(--miuix-background-color) 0%, var(--miuix-surface-color) 100%);
    background: -o-linear-gradient(135deg, var(--miuix-background-color) 0%, var(--miuix-surface-color) 100%);
    background: linear-gradient(135deg, var(--miuix-background-color) 0%, var(--miuix-surface-color) 100%);
    margin: 0;
}

/* p2: History Container Style */
.hyperos-history-container {
    background-color: var(--miuix-background-color);
    color: var(--miuix-text-primary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    padding: 32px 24px;
    border-radius: 16px; /* Fixed value fallback */
    border-radius: var(--miuix-radius);
    width: 100%;
    min-height: 100vh;
    position: relative;
    overflow: hidden;
    /* Use CSS variable for gradient colors to support dark/light mode */
    background: linear-gradient(135deg, var(--miuix-background-color) 0%, var(--miuix-surface-color) 100%);
    margin: 0;
}

/* Ensure about page content displays correctly */
#aboutContainer .history-list-container {
    display: none;
}

/* Override padding for about page */
#aboutContainer {
    padding: 32px 24px;
}

/* Fixed Three Dot Menu Button */
.hyperos-menu-btn {
    width: 44px;
    height: 44px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    opacity: 0.7;
    border-radius: 50%;
    gap: 4px;
    position: absolute;
    right: 16px;
    top: 16px;
    z-index: 10;
    /* Transition with browser prefixes */
    -webkit-transition: opacity var(--miuix-transition);
    -moz-transition: opacity var(--miuix-transition);
    -o-transition: opacity var(--miuix-transition);
    /* Transition with browser prefixes */
    -webkit-transition: opacity var(--miuix-transition);
    -moz-transition: opacity var(--miuix-transition);
    -o-transition: opacity var(--miuix-transition);
    transition: opacity var(--miuix-transition);
}

.hyperos-menu-btn:hover {
    opacity: 1;
    background-color: rgba(255, 255, 255, 0.1);
}

.menu-dot {
    width: 6px;
    height: 6px;
    background-color: var(--miuix-text-primary);
    border-radius: 50%;
    /* Transition with browser prefixes */
    -webkit-transition: background-color var(--miuix-transition);
    -moz-transition: background-color var(--miuix-transition);
    -o-transition: background-color var(--miuix-transition);
    transition: background-color var(--miuix-transition);
}

/* Dropdown Menu Styles */
.hyperos-dropdown-menu {
    background-color: rgba(30, 30, 30, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 12px;
    padding: 8px 0;
    min-width: 160px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    border: 1px solid var(--miuix-border-color);
    /* Animation with browser prefixes */
    -webkit-animation: menuFadeIn 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    -moz-animation: menuFadeIn 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    -o-animation: menuFadeIn 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    animation: menuFadeIn 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Keyframes with browser prefixes */
@-webkit-keyframes menuFadeIn {
    from {
        opacity: 0;
        -webkit-transform: translateY(-10px) scale(0.95);
    }
    to {
        opacity: 1;
        -webkit-transform: translateY(0) scale(1);
    }
}

@-moz-keyframes menuFadeIn {
    from {
        opacity: 0;
        -moz-transform: translateY(-10px) scale(0.95);
    }
    to {
        opacity: 1;
        -moz-transform: translateY(0) scale(1);
    }
}

@-o-keyframes menuFadeIn {
    from {
        opacity: 0;
        -o-transform: translateY(-10px) scale(0.95);
    }
    to {
        opacity: 1;
        -o-transform: translateY(0) scale(1);
    }
}

@keyframes menuFadeIn {
    from {
        opacity: 0;
        /* Transform with browser prefixes */
        -webkit-transform: translateY(-10px) scale(0.95);
        -moz-transform: translateY(-10px) scale(0.95);
        -o-transform: translateY(-10px) scale(0.95);
        transform: translateY(-10px) scale(0.95);
    }
    to {
        opacity: 1;
        /* Transform with browser prefixes */
        -webkit-transform: translateY(0) scale(1);
        -moz-transform: translateY(0) scale(1);
        -o-transform: translateY(0) scale(1);
        transform: translateY(0) scale(1);
    }
}

.dropdown-item {
    padding: 12px 20px;
    font-size: 14px;
    color: var(--miuix-text-primary);
    cursor: pointer;
    /* Transition with browser prefixes */
    -webkit-transition: all var(--miuix-transition);
    -moz-transition: all var(--miuix-transition);
    -o-transition: all var(--miuix-transition);
    transition: all var(--miuix-transition);
    text-align: left;
}

.dropdown-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--miuix-primary-color);
}

.dropdown-item:active {
    background-color: rgba(255, 255, 255, 0.15);
}

/* Back Arrow Button */
.hyperos-back-btn {
    width: 44px;
    height: 44px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M20 11H7.83l5.59-5.59L12 4l-8 8 8 8 1.41-1.41L7.83 13H20v-2z'/%3E%3C/svg%3E");
    background-size: 24px;
    background-position: center;
    background-repeat: no-repeat;
    cursor: pointer;
    opacity: 0.7;
    border-radius: 50%;
    position: absolute;
    left: 16px;
    top: 16px;
    z-index: 10;
    transition: opacity var(--miuix-transition);
}

.hyperos-back-btn:hover {
    opacity: 1;
}

/* Logo Section */
.hyperos-logo-section {
    text-align: center;
    margin-bottom: 48px;
    padding: 20px 0;
}

.hyperos-logo {
    font-size: 40px;
    font-weight: 700;
    margin: 0 0 16px 0;
    letter-spacing: -0.5px;
    display: inline-block;
}

/* Main Page Image Logo */
.main-image-logo {
    margin-bottom: 24px;
    text-align: center;
}

.main-image-logo img {
    max-width: 200px;
    max-height: 200px;
    object-fit: contain;
    margin: 0 auto;
}

.logo-main {
    display: inline-block;
}

.logo-os {
    display: inline-block;
    font-weight: 800;
}

.hyperos-version {
    font-size: 14px;
    opacity: 0.7;
    margin: 0;
    font-weight: 500;
    color: var(--miuix-text-tertiary);
    letter-spacing: 0.5px;
}

/* Content Section */
.hyperos-content-section {
    margin-bottom: 40px;
}

.section-title {
    font-size: 17px;
    font-weight: 600;
    margin: 0 0 20px 0;
    opacity: 0.9;
    color: var(--miuix-text-primary);
    letter-spacing: 0.3px;
}

.update-items-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.system-update-item {
    font-size: 14px;
    line-height: 26px;
    opacity: 0.85;
    color: var(--miuix-text-secondary);
    padding: 8px 12px;
    border-radius: 8px;
    background-color: rgba(255, 255, 255, 0.05);
    transition: background-color var(--miuix-transition);
}

/* Community Button */
.hyperos-community-btn {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--miuix-text-primary);
    text-align: center;
    padding: 16px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    display: block;
    letter-spacing: 0.3px;
    margin-top: 40px;
    cursor: pointer;
    transition: all var(--miuix-transition);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

/* Button Text */
.btn-text {
    position: relative;
    z-index: 2;
}

/* Button Shine Effect */
.btn-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: all 0.6s ease;
    z-index: 1;
    transform: skewX(-20deg);
}

/* Mouse Follow Effect */
.hyperos-community-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    transition: all 0.6s ease;
    z-index: 0;
    opacity: 0;
}

.hyperos-community-btn:hover::before {
    width: 300px;
    height: 300px;
    opacity: 1;
}

.hyperos-community-btn:hover .btn-shine {
    left: 100%;
}

.hyperos-community-btn:hover {
    background-color: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 25px rgba(0, 191, 255, 0.15);
    transform: translateY(-2px);
}

/* Mouse Follow Effect Element */
.btn-follow {
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.4) 0%, transparent 70%);
    pointer-events: none;
    transform: translate(-50%, -50%);
    transition: all 0.15s ease-out;
    z-index: 1;
    opacity: 0.8;
    filter: blur(15px);
}

/* History Header */
.history-header-section {
    text-align: center;
    margin-bottom: 32px;
    margin-top: 8px;
}

.history-title {
    font-size: 19px;
    font-weight: 700;
    margin: 0;
    color: var(--miuix-text-primary);
    letter-spacing: 0.5px;
}

/* About Page Styles */
.about-logo-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 20px 0 40px 0;
    margin-bottom: 20px;
}

/* About Content Section */
.about-content-section {
    max-height: calc(100% - 200px);
    overflow-y: auto;
    padding: 0 16px;
}

/* Custom Scrollbar for About Page */
.about-content-section::-webkit-scrollbar {
    width: 4px;
}

.about-content-section::-webkit-scrollbar-track {
    background: transparent;
    margin: 20px 0;
}

.about-content-section::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    min-height: 40px;
}

.about-content-section::-webkit-scrollbar-thumb:hover {
    background-color: rgba(255, 255, 255, 0.4);
}

.about-image-logo {
    margin-bottom: 24px;
}

.about-image-logo img {
    max-width: 200px;
    max-height: 200px;
    object-fit: contain;
}

.about-text-logo {
    font-size: 40px;
    font-weight: 700;
    margin: 0 0 16px 0;
    letter-spacing: -0.5px;
    display: inline-block;
}

.about-version {
    font-size: 14px;
    opacity: 0.7;
    margin: 0;
    font-weight: 500;
    color: var(--miuix-text-tertiary);
    letter-spacing: 0.5px;
}

/* History List */
.history-list-container {
    display: flex;
    flex-direction: column;
    gap: 32px;
    overflow-y: auto;
    max-height: calc(100% - 120px);
    padding-right: 16px;
}

/* Custom Scrollbar */
.history-list-container::-webkit-scrollbar {
    width: 4px;
}

.history-list-container::-webkit-scrollbar-track {
    background: transparent;
    margin: 80px 0;
}

.history-list-container::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    min-height: 40px;
}

.history-list-container::-webkit-scrollbar-thumb:hover {
    background-color: rgba(255, 255, 255, 0.4);
}

.history-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 24px;
}

.history-version {
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 8px 0;
    color: var(--miuix-primary-color);
    letter-spacing: 0.3px;
}

.history-os {
    font-size: 13px;
    margin: 0 0 14px 0;
    opacity: 0.7;
    color: var(--miuix-text-tertiary);
    font-weight: 500;
}

.history-item-content {
    list-style: none;
    padding: 0;
    margin: 0;
}

.history-item-content li {
    font-size: 13px;
    line-height: 22px;
    margin-bottom: 10px;
    opacity: 0.8;
    position: relative;
    padding-left: 16px;
    color: var(--miuix-text-secondary);
}

.history-item-content li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--miuix-primary-color);
    font-size: 16px;
    font-weight: bold;
}

/* Responsive Design */
/* Remove responsive differences, make all screens look like mobile */
.hyperos-logo {
    font-size: 32px;
}

.hyperos-menu-btn {
    right: 12px;
    top: 12px;
}

.hyperos-back-btn {
    left: 12px;
    top: 12px;
}

/* Add subtle fade-in animation for all sections */
.hyperos-update-container > *,
.hyperos-history-container > * {
    /* Animation with browser prefixes */
    -webkit-animation: fadeIn 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    -moz-animation: fadeIn 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    -o-animation: fadeIn 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    animation: fadeIn 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    -webkit-animation-fill-mode: both;
    -moz-animation-fill-mode: both;
    -o-animation-fill-mode: both;
    animation-fill-mode: both;
}

/* Keyframes with browser prefixes */
@-webkit-keyframes fadeIn {
    from {
        opacity: 0;
        -webkit-transform: translateY(10px);
    }
    to {
        opacity: 1;
        -webkit-transform: translateY(0);
    }
}

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

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

@keyframes fadeIn {
    from {
        opacity: 0;
        /* Transform with browser prefixes */
        -webkit-transform: translateY(10px);
        -moz-transform: translateY(10px);
        -o-transform: translateY(10px);
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        /* Transform with browser prefixes */
        -webkit-transform: translateY(0);
        -moz-transform: translateY(0);
        -o-transform: translateY(0);
        transform: translateY(0);
    }
}

/* Stagger animation delays */
.hyperos-logo-section {
    animation-delay: 0.1s;
}

.hyperos-content-section {
    animation-delay: 0.2s;
}

.hyperos-action-btn {
    animation-delay: 0.3s;
}

.history-header-section {
    animation-delay: 0.1s;
}

.history-list-container {
    animation-delay: 0.2s;
}