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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #ffffff;
    background: #0076a3;
    padding: 20px;
    background-image: url(img/ss_8ffe8955881d5b0ba5e0af035a0e3d5d16a69822.1920x1080.jpg);
}

.container {
    max-width: 600px;
    width: 100%;
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.45);
    border-radius: 16px;
    padding: 35px 25px;
    text-align: center;
    box-shadow: 0 8px 24px rgba(0, 50, 100, 0.2), 
                inset 0 1px 2px rgba(255, 255, 255, 0.5);
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: transform 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease;
}

.container:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.3);
    box-shadow: 0 12px 30px rgba(0, 50, 100, 0.3), 
                inset 0 1px 2px rgba(255, 255, 255, 0.6);
}

h1 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

p {
    font-size: 16px;
    line-height: 1.5;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

.warning {
    color: #fffae6;
    font-weight: 600;
}

.back-btn {
    display: inline-block;
    align-self: center;
    margin-top: 15px;
    text-decoration: none;
    color: #004471;
    background: linear-gradient(180deg, #ffffff 0%, #edf5f8 100%);
    padding: 10px 25px;
    border-radius: 20px;
    font-weight: 600;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.back-btn:hover {
    transform: scale(1.04);
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.2);
}