* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #0a1620;
    color: #fff;
    padding: 20px;
    position: relative;
    overflow-x: hidden;
}

/* ===== КАРТА РОССИИ ЧЕРЕЗ CSS-ГРАДИЕНТЫ ===== */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        /* Основной контур страны */
        radial-gradient(ellipse at 48% 35%, rgba(247,151,30,0.06) 0%, transparent 25%),
        radial-gradient(ellipse at 55% 45%, rgba(247,151,30,0.05) 0%, transparent 20%),
        radial-gradient(ellipse at 40% 50%, rgba(255,210,0,0.04) 0%, transparent 22%),
        radial-gradient(ellipse at 60% 55%, rgba(247,151,30,0.04) 0%, transparent 18%),
        radial-gradient(ellipse at 35% 60%, rgba(255,210,0,0.03) 0%, transparent 20%),
        radial-gradient(ellipse at 70% 40%, rgba(247,151,30,0.03) 0%, transparent 15%),
        radial-gradient(ellipse at 50% 30%, rgba(255,210,0,0.04) 0%, transparent 10%),
        /* Дополнительные акценты */
        radial-gradient(ellipse at 20% 30%, rgba(247,151,30,0.03) 0%, transparent 15%),
        radial-gradient(ellipse at 80% 50%, rgba(255,210,0,0.03) 0%, transparent 12%),
        radial-gradient(ellipse at 50% 70%, rgba(247,151,30,0.02) 0%, transparent 18%);
    z-index: 0;
    pointer-events: none;
}

/* Контур России точками */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 25% 20%, rgba(255,210,0,0.08) 1px, transparent 1px),
        radial-gradient(circle at 30% 18%, rgba(255,210,0,0.08) 1px, transparent 1px),
        radial-gradient(circle at 35% 15%, rgba(255,210,0,0.08) 1px, transparent 1px),
        radial-gradient(circle at 40% 13%, rgba(255,210,0,0.08) 1px, transparent 1px),
        radial-gradient(circle at 45% 12%, rgba(255,210,0,0.08) 1px, transparent 1px),
        radial-gradient(circle at 50% 11%, rgba(255,210,0,0.08) 1px, transparent 1px),
        radial-gradient(circle at 55% 12%, rgba(255,210,0,0.08) 1px, transparent 1px),
        radial-gradient(circle at 60% 14%, rgba(255,210,0,0.08) 1px, transparent 1px),
        radial-gradient(circle at 65% 16%, rgba(255,210,0,0.08) 1px, transparent 1px),
        radial-gradient(circle at 70% 19%, rgba(255,210,0,0.08) 1px, transparent 1px),
        radial-gradient(circle at 75% 23%, rgba(255,210,0,0.08) 1px, transparent 1px),
        radial-gradient(circle at 78% 28%, rgba(255,210,0,0.08) 1px, transparent 1px),
        radial-gradient(circle at 80% 33%, rgba(255,210,0,0.08) 1px, transparent 1px),
        radial-gradient(circle at 79% 40%, rgba(255,210,0,0.08) 1px, transparent 1px),
        radial-gradient(circle at 77% 47%, rgba(255,210,0,0.08) 1px, transparent 1px),
        radial-gradient(circle at 74% 53%, rgba(255,210,0,0.08) 1px, transparent 1px),
        radial-gradient(circle at 70% 58%, rgba(255,210,0,0.08) 1px, transparent 1px),
        radial-gradient(circle at 65% 62%, rgba(255,210,0,0.08) 1px, transparent 1px),
        radial-gradient(circle at 60% 66%, rgba(255,210,0,0.08) 1px, transparent 1px),
        radial-gradient(circle at 55% 69%, rgba(255,210,0,0.08) 1px, transparent 1px),
        radial-gradient(circle at 50% 72%, rgba(255,210,0,0.08) 1px, transparent 1px),
        radial-gradient(circle at 45% 74%, rgba(255,210,0,0.08) 1px, transparent 1px),
        radial-gradient(circle at 40% 75%, rgba(255,210,0,0.08) 1px, transparent 1px),
        radial-gradient(circle at 35% 73%, rgba(255,210,0,0.08) 1px, transparent 1px),
        radial-gradient(circle at 30% 70%, rgba(255,210,0,0.08) 1px, transparent 1px),
        radial-gradient(circle at 25% 66%, rgba(255,210,0,0.08) 1px, transparent 1px),
        radial-gradient(circle at 22% 60%, rgba(255,210,0,0.08) 1px, transparent 1px),
        radial-gradient(circle at 20% 53%, rgba(255,210,0,0.08) 1px, transparent 1px),
        radial-gradient(circle at 20% 46%, rgba(255,210,0,0.08) 1px, transparent 1px),
        radial-gradient(circle at 21% 39%, rgba(255,210,0,0.08) 1px, transparent 1px),
        radial-gradient(circle at 22% 32%, rgba(255,210,0,0.08) 1px, transparent 1px),
        radial-gradient(circle at 23% 26%, rgba(255,210,0,0.08) 1px, transparent 1px);
    z-index: 0;
    pointer-events: none;
    background-size: 100% 100%;
    background-repeat: no-repeat;
}

.container {
    position: relative;
    z-index: 1;
    background: rgba(10, 22, 32, 0.88);
    backdrop-filter: blur(16px);
    border-radius: 32px;
    padding: 30px 24px;
    max-width: 480px;
    width: 100%;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.7);
    transition: all 0.3s;
}

/* ===== СТИЛИ ДЛЯ СТРАНИЦЫ ОПРЕДЕЛЕНИЯ УСТРОЙСТВА ===== */
.logo h1 {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 2px;
    background: linear-gradient(90deg, #f7971e, #ffd200);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo p {
    font-size: 14px;
    opacity: 0.6;
    margin-top: 6px;
    letter-spacing: 1px;
}

.detector {
    margin: 35px 0 20px;
}

.loader {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top-color: #ffd200;
    border-radius: 50%;
    animation: spin 0.9s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

#status {
    font-size: 16px;
    opacity: 0.7;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.result {
    margin-top: 20px;
    animation: fadeIn 0.6s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.device-icon {
    font-size: 72px;
    margin-bottom: 15px;
}

#deviceType {
    font-size: 26px;
    font-weight: 600;
    margin-bottom: 6px;
}

#deviceDetail {
    font-size: 15px;
    opacity: 0.6;
    margin-bottom: 25px;
}

.btn {
    background: linear-gradient(90deg, #f7971e, #ffd200);
    border: none;
    padding: 12px 36px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    color: #1a1a2e;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
    transform: scale(1.03);
    box-shadow: 0 8px 25px rgba(255, 210, 0, 0.3);
}

.btn:active {
    transform: scale(0.97);
}

/* ===== СТИЛИ ДЛЯ ТЕСТОВОЙ ГЛАВНОЙ ===== */

/* Шапка */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    margin-bottom: 16px;
}

.logo-mini {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    object-fit: cover;
    display: block;
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
    background: linear-gradient(90deg, #f7971e, #ffd200);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-actions {
    display: flex;
    gap: 10px;
}

.icon-btn {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    color: #fff;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.25s;
}

.icon-btn:hover {
    background: rgba(255, 210, 0, 0.15);
    border-color: #ffd200;
    transform: scale(1.05);
}

/* Слоган */
.slogan {
    text-align: center;
    margin-bottom: 24px;
}

.slogan h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 4px;
}

.slogan p {
    font-size: 13px;
    opacity: 0.55;
}

/* Главные кнопки (карточки) */
.main-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 16px;
}

.btn-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 16px;
    padding: 16px 8px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    user-select: none;
}

.btn-card:hover {
    background: rgba(255, 210, 0, 0.08);
    border-color: rgba(255, 210, 0, 0.25);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}

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

.btn-icon {
    font-size: 32px;
    display: block;
    margin-bottom: 6px;
}

.btn-label {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.3;
}

/* Вторичная кнопка */
.secondary-buttons {
    margin-bottom: 20px;
}

.sec-btn {
    width: 100%;
    padding: 12px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 14px;
    color: #fff;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s;
}

.sec-btn:hover {
    background: rgba(255, 210, 0, 0.06);
    border-color: rgba(255, 210, 0, 0.2);
}

/* Нижнее меню — 4 кнопки в один ряд */
.bottom-menu {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid rgba(255,255,255,0.06);
    margin-top: 8px;
    gap: 2px;
}

.menu-item {
    background: none;
    border: none;
    color: rgba(255,255,255,0.5);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    font-size: 10px;
    cursor: pointer;
    transition: color 0.25s;
    padding: 4px 6px;
    flex: 1;
    max-width: 80px;
    min-width: 0;
    white-space: nowrap;
}

.menu-item:hover {
    color: #ffd200;
}

.menu-icon {
    font-size: 20px;
    line-height: 1.2;
}

/* Всплывающее уведомление */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(80px);
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(8px);
    color: #fff;
    padding: 10px 22px;
    border-radius: 12px;
    font-size: 14px;
    border: 1px solid rgba(255, 210, 0, 0.2);
    opacity: 0;
    transition: all 0.4s ease;
    pointer-events: none;
    white-space: nowrap;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ===== АДАПТИВ ===== */
@media (max-width: 480px) {
    .container {
        padding: 24px 16px;
    }
    .logo h1 {
        font-size: 22px;
    }
    .device-icon {
        font-size: 56px;
    }
    #deviceType {
        font-size: 20px;
    }
    .main-buttons {
        gap: 8px;
    }
    .btn-card {
        padding: 12px 6px;
    }
    .btn-icon {
        font-size: 26px;
    }
    .btn-label {
        font-size: 12px;
    }
    .slogan h2 {
        font-size: 17px;
    }
    .logo-text {
        font-size: 16px;
    }
    .logo-img {
        width: 30px;
        height: 30px;
    }
}

@media (max-width: 400px) {
    .menu-item {
        font-size: 9px;
        padding: 4px 3px;
        max-width: 60px;
    }
    .menu-icon {
        font-size: 18px;
    }
    .container {
        padding: 18px 12px;
    }
}