:root {
    --background-color: #1e1e2e;   
    --blue-color: #89b4fa;          
    --red-color: #f38ba8;           
    --green-color: #a6e3a1;
    --yellow-color: #f9e2af;
    --peach-color: #fab387;
    --pink-color: #f5c2e7;
    --mauve-color: #cba6f7;
    --teal-color: #94e2d5;
    --text-color: #cdd6f4;
    --surface-color: #313244;
    --crust-color: #11111b;
    --saphire-color: #74c7ec;
    --mtproxy-wl-color: rgb(40, 139, 185);
    --sni-color: rgb(112, 59, 176);
    --recommended-color: rgb(193, 138, 29);
    --mtproxy-bl-color: rgb(183, 100, 49);
    
    --control-height: 46px;
}

.light-theme {
    --background-color: #eff1f5;
    --blue-color: #1e66f5;
    --red-color: #d20f39;
    --green-color: #40a02b;
    --yellow-color: #df8e1d;
    --peach-color: #fe640b;
    --pink-color: #ea76cb;
    --mauve-color: #8839ef;
    --teal-color: #179299;
    --text-color: #4c4f69;
    --surface-color: #ccd0da;
    --crust-color: #dce0e8;
    --saphire-color: #209fb5;
    --mtproxy-wl-color: rgb(10, 85, 120);
    --sni-color: rgb(74, 26, 134);
    --recommended-color: rgb(127, 91, 18);
    --mtproxy-bl-color: rgb(144, 69, 23);
}

* {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

body {
    background: #05060a;
    color: var(--text-color);
    min-height: 100vh;
    transition: background 0.3s ease, color 0.2s ease;
    position: relative;
    overflow-x: hidden;
}

.light-theme body {
    background: #eef2f5;
}

a {
    text-decoration: none;
}

/* ===== ПЛАВАЮЩИЕ ГРАДИЕНТНЫЕ КРУГИ ===== */
.floating-gradients {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.gradient-ball {
    position: absolute;
    border-radius: 50%;
    will-change: transform;
    transition: opacity 0.3s ease, filter 0.3s ease;
}

.gradient-ball {
    filter: blur(90px);
    opacity: 0.3;
}

.light-theme .gradient-ball {
    filter: blur(70px);
    opacity: 0.6;
}

@keyframes floatRandom1 {
    0% { transform: translate(0%, 0%) scale(1); }
    15% { transform: translate(12%, -8%) scale(1.1); }
    30% { transform: translate(-5%, 15%) scale(0.9); }
    45% { transform: translate(8%, -12%) scale(1.15); }
    60% { transform: translate(-15%, -3%) scale(0.95); }
    75% { transform: translate(3%, 18%) scale(1.05); }
    90% { transform: translate(-8%, -10%) scale(0.85); }
    100% { transform: translate(0%, 0%) scale(1); }
}

@keyframes floatRandom2 {
    0% { transform: translate(0%, 0%) scale(1); }
    20% { transform: translate(-10%, 10%) scale(1.2); }
    40% { transform: translate(15%, -5%) scale(0.85); }
    60% { transform: translate(-8%, -15%) scale(1.1); }
    80% { transform: translate(5%, 12%) scale(0.95); }
    100% { transform: translate(0%, 0%) scale(1); }
}

.ball1 {
    width: 800px;
    height: 800px;
    top: -15%;
    left: -10%;
    animation: floatRandom1 25s infinite alternate ease-in-out;
}

.ball2 {
    width: 750px;
    height: 750px;
    bottom: -15%;
    right: -10%;
    animation: floatRandom2 25s infinite alternate ease-in-out;
}

.ball1 { background: radial-gradient(circle, #1e3a8a, #5b21b6, transparent 70%); }
.ball2 { background: radial-gradient(circle, #9d174d, #ea580c, transparent 70%); }

.light-theme .ball1 { background: radial-gradient(circle, #3b82f6, #8b5cf6, transparent 65%); }
.light-theme .ball2 { background: radial-gradient(circle, #ec4899, #f97316, transparent 65%); }

/* Контент поверх кругов */
.header, h1, h3, .controls-container, .config-grid {
    position: relative;
    z-index: 1;
}

/* --- Header --- */
.header {
    background-color: rgba(255, 255, 255, 0.05);
    position: sticky;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    top: 0;
    z-index: 1500;
    box-shadow: 0 1px 35px rgba(0,0,0,0.2);
}

.header-class {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.param-header {
    font-weight: bold;
    font-size: 22px;
    margin-right: auto;
    color: var(--text-color);
}

@media (max-width: 768px) {
    .param-header { display: none; }
    .header-class { padding: 12px 15px; gap: 8px; }
    .github .github-text { display: none; }
}

.header-gradient {
    background: linear-gradient(60deg, var(--blue-color), var(--saphire-color));
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}

.social a { text-decoration: none; color: inherit; }
.fa-brands { font-size: 22px; padding: 0 5px; transition: transform 0.3s ease; }
.fa-brands:hover { transform: scale(1.3); }
.fa-telegram { color: var(--blue-color); }
.fa-youtube { color: var(--red-color); }

.github { font-size: 20px; color: var(--text-color); font-weight: bold; text-decoration: none; display: flex; align-items: center; }
.github a { color: inherit; }
.divider { width: 1px; height: 22px; background: rgba(255, 255, 255, 0.3); margin: 0 6px; }
.github a:hover .fa-github { transform: scale(1.3); }

.fa-github {
    transition: transform 0.3s ease;
    display: inline-block;
}
.logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    margin-right: auto;
    cursor: pointer;
}

.header-logo { transition: transform 0.3s ease; }
.logo-link:hover .header-logo { transform: rotate(15deg) scale(1.1); }

.theme-toggle {
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 22px;
    color: var(--text-color);
    transition: transform 0.2s;
}
.theme-toggle:hover { transform: scale(1.2); }

/* Заголовки */
h1 { text-align: center; font-size: 50px; margin-top: 30px; }
h3 { text-align: center; font-weight: normal; opacity: 0.8; margin-bottom: 30px; }

@media (max-width: 768px) {
    h1 { font-size: 32px; margin-top: 20px; }
    h3 { font-size: 14px; margin-bottom: 20px; padding: 0 15px; }
}

/* --- Controls Section --- */
.controls-container {
    max-width: 1200px;
    margin: 20px auto;
    padding: 0 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center; 
    align-items: flex-start;
}

@media (max-width: 768px) {
    .controls-container { align-items: stretch; gap: 12px; margin: 15px 0; padding: 0 15px; }
}

.view-tabs {
    display: flex;
    background: var(--crust-color);
    padding: 4px;
    border-radius: 14px;
    border: 1px solid var(--surface-color);
    height: var(--control-height);
    align-items: center;
}

@media (max-width: 768px) { .view-tabs { width: 100%; } .tab-btn { flex: 1; justify-content: center; } }

.tab-btn {
    height: 100%;
    padding: 0 15px;
    border: none;
    background: transparent;
    color: var(--text-color);
    cursor: pointer;
    border-radius: 10px;
    font-weight: 600;
    opacity: 0.6;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    transition: 0.2s;
}

@media (max-width: 480px) { .tab-btn { padding: 0 10px; } .tab-btn .btn-text { display: none; } }
.tab-btn.active { background: var(--surface-color); opacity: 1; color: var(--blue-color); }

.search-box { position: relative; flex: 1; min-width: 280px; height: var(--control-height); }
@media (max-width: 768px) { .search-box { width: 100%; min-width: auto; } }

.search-box i.search-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.5;
    pointer-events: none;
}

.search-box input {
    width: 100%;
    height: 100%;
    padding: 0 45px 0 40px;
    background: var(--crust-color);
    border: 1px solid var(--surface-color);
    border-radius: 14px;
    color: var(--text-color);
    outline: none;
    font-size: 15px;
    transition: border-color 0.2s;
}
.search-box input:focus { border-color: var(--blue-color); }

.clear-btn {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    display: none;
    padding: 5px;
}
.clear-btn.visible { display: block; }

.filter-group { display: flex; gap: 10px; height: var(--control-height); justify-content: center; }

@media (max-width: 768px) {
    .filter-group {
        width: 100%;
        overflow-x: auto;
        padding-bottom: 5px;
        height: auto;
        min-height: var(--control-height);
        justify-content: flex-start; 
    }
}

.filter-btn {
    height: 100%;
    padding: 0 18px;
    border-radius: 14px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    display: flex;
    align-items: center;
    white-space: nowrap;
    transition: 0.2s;
    background: var(--surface-color);
    color: var(--text-color);
}

.filter-btn:hover { filter: brightness(1.1); }
.filter-btn.all.active { background: var(--blue-color); color: var(--crust-color); }
.filter-btn.recommended.active { color: color-mix(in srgb, var(--recommended-color), transparent 30%); background: var(--yellow-color); }
.filter-btn.sni.active { background: var(--mauve-color); color: color-mix(in srgb, var(--sni-color), transparent 30%); }
.filter-btn.mtproxy.active { background: var(--saphire-color); color: color-mix(in srgb, var(--mtproxy-wl-color), transparent 30%); }

/* --- Grid & Cards --- */
.config-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
    justify-content: start; 
}

.card {
    background: color-mix(in srgb, var(--surface-color), transparent 65%);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    padding: 20px;
    border: 1px solid rgba(255,255,255,0.1);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s, box-shadow 0.6s;
}

.card:hover { transform: translateY(-5px); box-shadow: 0 10px 25px rgba(0,0,0,0.2); }

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    width: 100%;
    flex-wrap: wrap;
    gap: 8px;
}

.card-id { font-size: 24px; font-weight: bold; color: var(--text-color); }

.badge {
    font-size: 10px;
    padding: 4px 10px;
    border-radius: 8px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.badge.recommended { background: var(--yellow-color); color: var(--recommended-color); }
.badge.sni { background: var(--mauve-color); color: var(--sni-color); }
.badge.mtproxy-wl { background-color: var(--saphire-color); color: var(--mtproxy-wl-color); }
.badge.mtproxy-bl { background-color: var(--peach-color); color: var(--mtproxy-bl-color); }

.url-box { background: var(--crust-color); border-radius: 12px; padding: 12px; margin-bottom: 18px; }
.url-text { font-family: monospace; font-size: 12px; word-break: break-all; opacity: 0.8; }

.card-actions { display: flex; gap: 10px; width: 100%; margin-top: auto; }

.btn-copy-main {
    background: var(--blue-color);
    color: var(--crust-color);
    border: none;
    border-radius: 12px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    transition: 0.2s;
    flex: 1;
}

.btn-copy-main.copied { background: var(--green-color); }

.btn-copy-random {
    background: var(--surface-color);
    color: var(--text-color);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 12px;
    border-radius: 12px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: 0.2s;
    flex: 1;
}

.btn-copy-random:hover { background: var(--crust-color); border-color: var(--blue-color); }
.btn-copy-random.copied { background: var(--green-color); color: var(--crust-color); }

/* --- QR Mode Fixes --- */
.config-grid.qr-active {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
}

.qr-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 20px;
    min-height: 320px;
}

.qr-container {
    background: white;
    padding: 12px;
    border-radius: 16px;
    margin: 10px 0 20px 0;
    display: inline-flex;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.qr-canvas { display: block; width: 150px; height: 150px; }

.btn-download-qr {
    margin-top: auto;
    width: 100%;
}

@media (max-width: 640px) {
    .config-grid.qr-active { grid-template-columns: repeat(2, 1fr); gap: 12px; }
}

@media (max-width: 480px) {
    .config-grid.qr-active { grid-template-columns: 1fr; }
    .qr-canvas { width: 140px; height: 140px; }
}

/* Секция инструкций */
.steps-container {
    max-width: 1200px;
    margin: 0 auto 40px auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.step-card {
    background: color-mix(in srgb, var(--surface-color), transparent 65%);
    backdrop-filter: blur(15px);
    border-radius: 24px;
    padding: 30px;
    border: 1px solid rgba(255,255,255,0.1);
    transition: transform 0.5s, box-shadow 0.4s;
}

.step-card:hover {
    transform: translateY(-10px);
}

.step-card .step-icon-wrapper {
    transition: transform 0.6s, box-shadow 0.5s;

}

.step-card:hover .step-icon-wrapper {
    transform: translateX(-2.5px) translateY(-2.5px);
}

.step-card.blue:hover { box-shadow: 0 10px 25px color-mix(in srgb, var(--blue-color), transparent 75%); }
.step-card.purple:hover { box-shadow: 0 10px 25px color-mix(in srgb, var(--mauve-color), transparent 75%); }
.step-card.orange:hover { box-shadow: 0 10px 25px color-mix(in srgb, var(--peach-color), transparent 75%); }

.step-card.blue:hover .step-icon-wrapper.blue { box-shadow: 10px 10px 25px color-mix(in srgb, var(--blue-color), transparent 75%); }
.step-card.purple:hover .step-icon-wrapper.purple { box-shadow: 10px 10px 25px color-mix(in srgb, var(--mauve-color), transparent 75%); }
.step-card.orange:hover .step-icon-wrapper.orange { box-shadow: 10px 10px 25px color-mix(in srgb, var(--yellow-color), transparent 75%); }

.step-icon-wrapper {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 20px;
}

.step-icon-wrapper.blue { background: rgba(137, 180, 250, 0.3); color: var(--blue-color); }
.step-icon-wrapper.purple { background: rgba(203, 166, 247, 0.3); color: var(--mauve-color); }
.step-icon-wrapper.orange { background: rgba(250, 179, 135, 0.3); color: var(--peach-color); }

.step-card h3 { text-align: left; font-size: 20px; margin-bottom: 12px; opacity: 1; font-weight: 700; }
.step-card p { font-size: 14px; line-height: 1.6; opacity: 0.7; }

.highlight-orange { color: var(--peach-color); font-weight: bold; }

@media (max-width: 992px) { .steps-container { grid-template-columns: 1fr; gap: 15px; } }

.short-text { display: none; }
@media (max-width: 520px) {
    .full-text { display: none; }
    .short-text { display: inline; }
    .filter-btn { padding: 0 10px; font-size: 12px; }
}

noscript p { text-align: center; font-size: 30px; margin: 50px 0; }