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

html {
    width: 100%;
    height: 100dvh;
    overflow: hidden;
    background: #c3dced;
}

body {
    min-height: 100dvh;
    width: 100%;
    margin: 0;
    padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
    background-color: #c3dced;
    background: linear-gradient(180deg, #c3dced 0%, #e8f3ee 50%, #e2f0e9 100%);
    color: #000;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

#pwa-check-loader {
    position: fixed;
    top: -50px;
    bottom: -50px;
    left: -50px;
    right: -50px;
    background: #fff;
    z-index: 9999;
}

.guide-container {
    width: 100%;
    max-width: 380px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 24px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 28px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.app-icon img {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    margin-bottom: 16px;
    object-fit: cover;
}

.guide-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
}

.guide-desc {
    font-size: 14px;
    color: #444;
    margin-bottom: 24px;
    line-height: 1.4;
}

.steps-box {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.step-item {
    background: #fff;
    padding: 14px 16px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}

.step-num {
    width: 28px;
    height: 28px;
    background: #000;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}

.step-text {
    font-size: 14px;
    text-align: left;
    flex: 1;
    color: #111;
    line-height: 1.35;
}

.auth-container {
    width: 100%;
    max-width: 360px;
    text-align: center;
    padding: 24px;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(15px);
    border-radius: 24px;
}

.auth-title { 
    font-size: 26px; 
    font-weight: 600; 
    margin-bottom: 24px; 
}

.auth-input {
    width: 100%;
    padding: 16px;
    border-radius: 14px;
    border: 1px solid rgba(0,0,0,0.1);
    background: #fff;
    color: #000;
    font-size: 16px;
    margin-bottom: 16px;
    text-align: center;
    outline: none;
}

.auth-btn {
    width: 100%;
    padding: 16px;
    border-radius: 14px;
    border: none;
    background: #000;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
}

.error-msg { 
    color: #d93025; 
    font-size: 14px; 
    margin-bottom: 16px; 
}