/* 基础样式 */
/* Telegram群组: https://t.me/htpnu */
:root {
    /* EZ-Theme 配色 (Green Customization) */
    --primary-color: #3CB371;
    /* Custom Green */
    --secondary-color: #2E8B57;
    /* Darker Green */
    --text-color: #333333;
    --secondary-text-color: #666666;
    --bg-color: #f5f7fa;
    --card-bg: #ffffff;
    --progress-bg: #E8F5E9;
    /* Light Green */
    --success-color: #00B42A;
    --warning-color: #FF7D00;
    --danger-color: #F53F3F;
    /* error-color */

    --border-radius: 24px;
    /* border-radius-xl */
    --transition: all 0.3s ease;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);

    /* EZ-Theme Token RGB for balls (Green) */
    --theme-color-rgb: 60, 179, 113;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: var(--transition);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 1;
    position: relative;
    overflow-x: hidden;
}

/* 背景装饰 */
.background-decoration {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.floating-ball {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.3;
    mix-blend-mode: var(--ball-blend-mode, multiply);
    /* Light mode friendly */
}

/* Dark mode override if needed later, stick to light for now as base */

.ball-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle at 30% 30%,
            rgba(var(--theme-color-rgb), 0.4),
            rgba(var(--theme-color-rgb), 0.1) 70%,
            transparent);
    top: -10%;
    left: -10%;
    animation: floatingBall1 25s infinite ease-in-out;
}

.ball-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle at 70% 70%,
            rgba(167, 71, 254, 0.35),
            rgba(167, 71, 254, 0.08) 70%,
            transparent);
    top: 40%;
    right: -5%;
    animation: floatingBall2 30s infinite ease-in-out;
}

.ball-3 {
    width: 450px;
    height: 450px;
    background: radial-gradient(circle at 50% 50%,
            rgba(55, 222, 201, 0.3),
            rgba(55, 222, 201, 0.05) 70%,
            transparent);
    bottom: -10%;
    left: 20%;
    animation: floatingBall3 35s infinite ease-in-out;
}

.container {
    width: 100%;
    max-width: 800px;
    background-color: rgba(255, 255, 255, 0.85);
    /* Slightly transparent */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
    z-index: 2;
}

.container::before {
    display: none;
    /* Remove top bar line style */
}

h1 {
    margin-bottom: 20px;
    color: var(--text-color);
    font-size: 2.2rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

h1 i {
    color: var(--primary-color);
}

.countdown {
    font-size: 5rem;
    font-weight: bold;
    margin: 30px 0;
    color: var(--primary-color);
    text-shadow: 0 4px 10px rgba(22, 93, 255, 0.2);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.progress-container {
    width: 100%;
    height: 8px;
    /* Thinner */
    background-color: var(--progress-bg);
    border-radius: 4px;
    margin: 30px 0;
    overflow: hidden;
    box-shadow: none;
}

.progress-bar {
    height: 100%;
    width: 100%;
    background: var(--primary-color);
    border-radius: 4px;
    transition: width 1s linear;
    box-shadow: 0 0 10px rgba(22, 93, 255, 0.3);
}

.browser-guide {
    display: none;
    background-color: var(--warning-background, #FFF7E8);
    color: var(--warning-color);
    border: 1px solid rgba(255, 125, 0, 0.2);
    padding: 20px;
    border-radius: var(--border-radius);
    margin: 25px 0;
    text-align: left;
    position: relative;
}

.browser-guide i {
    position: absolute;
    right: 20px;
    top: 20px;
    cursor: pointer;
    color: var(--text-color);
    opacity: 0.5;
}

.domain-info {
    margin: 20px 0;
    padding: 15px;
    background-color: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 12px;
    /* Smaller radius for inner items */
    font-size: 1.1rem;
    color: var(--secondary-text-color);
}

.domain-info strong {
    color: var(--primary-color);
}

.domain-testing {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin: 20px 0;
    gap: 15px;
}

.domain-item {
    padding: 15px 20px;
    background-color: #ffffff;
    border-radius: 12px;
    font-size: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    border: 1px solid #eee;
    text-align: center;
    transition: var(--transition);
    width: 130px;
    cursor: pointer;
    text-decoration: none;
    color: var(--text-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.domain-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
    border-color: var(--primary-color);
}

.domain-item.fastest {
    background-color: var(--primary-color);
    color: white;
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(22, 93, 255, 0.3);
    border-color: var(--primary-color);
}

.domain-item .ping {
    font-size: 0.85rem;
    opacity: 0.8;
}

.action-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.btn {
    padding: 12px 30px;
    border-radius: 30px;
    border: none;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 10px rgba(22, 93, 255, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(22, 93, 255, 0.35);
    background: var(--secondary-color);
}

.btn-outline {
    background: transparent;
    color: var(--secondary-text-color);
    border: 1px solid #ddd;
}

.btn-outline:hover {
    background-color: #f8f8f8;
    color: var(--text-color);
    border-color: #ccc;
    transform: translateY(-2px);
}

.logo {
    width: auto;
    height: 64px;
    margin-bottom: 20px;
    background: transparent;
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 32px;
    align-self: center;
    box-shadow: none;
}

.logo img {
    height: 100%;
    width: auto;
    object-fit: contain;
}

.theme-selector {
    position: absolute;
    top: 25px;
    right: 25px;
    display: flex;
    gap: 8px;
}

.theme-btn {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid white;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s;
}

.theme-btn:hover {
    transform: scale(1.1);
}

.theme-btn.default {
    background: linear-gradient(135deg, #165DFF, #0E42D2);
}

.theme-btn.dark {
    background: linear-gradient(135deg, #333, #000);
}

.theme-btn.warm {
    background: linear-gradient(135deg, #FF7D00, #E65A00);
}

/* Animation Keyframes from EZ-Theme */
@keyframes floatingBall1 {

    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }

    25% {
        transform: translate(5%, 10%) rotate(90deg);
    }

    50% {
        transform: translate(2%, 5%) rotate(180deg);
    }

    75% {
        transform: translate(-3%, 8%) rotate(270deg);
    }
}

@keyframes floatingBall2 {

    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }

    25% {
        transform: translate(-8%, -5%) rotate(-90deg);
    }

    50% {
        transform: translate(-4%, -10%) rotate(-180deg);
    }

    75% {
        transform: translate(-6%, -2%) rotate(-270deg);
    }
}

@keyframes floatingBall3 {

    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }

    33% {
        transform: translate(6%, -8%) rotate(120deg);
    }

    66% {
        transform: translate(-4%, -4%) rotate(240deg);
    }

    100% {
        transform: translate(0, 0) rotate(360deg);
    }
}