:root {
    --glass-bg: rgba(255, 255, 255, 0.4);
    --glass-border: rgba(255, 255, 255, 0.2);
    --text-color: #333;
}

body {
    margin: 0;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: -apple-system, sans-serif;
    background: #e9e2d7;
    overflow: hidden;
}

.background-decor .circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(50px);
}
.circle-1 { width: 300px; height: 300px; background: #c5d7e8; top: 10%; left: 20%; }
.circle-2 { width: 250px; height: 250px; background: #60a5fa; bottom: 10%; right: 25%; }

.login-page {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.glass-card {
    width: 320px;
    padding: 35px;
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 40px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
}

.top-nav {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    margin-bottom: 40px;
    color: var(--text-color);
}

.brand { font-weight: bold; opacity: 0.6; }
.signup { text-decoration: none; color: var(--text-color); font-weight: 500; }

h2 { font-size: 32px; margin: 0 0 30px; color: var(--text-color); }

.input-field input {
    width: 100%;
    padding: 15px 20px;
    margin-bottom: 15px;
    border: none;
    border-radius: 25px;
    background: rgba(255, 255, 255, 0.5);
    box-sizing: border-box;
    font-size: 14px;
    outline: none;
}

.form-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
}

.form-footer p { font-size: 11px; opacity: 0.6; }

.arrow-btn {
    width: 45px;
    height: 45px;
    border: none;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.1);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.3s;
}

.arrow-btn:hover { background: rgba(0, 0, 0, 0.2); }

.dark-card {
    width: 320px;
    padding: 25px 35px;
    background: #1a1a1a;
    color: white;
    border-radius: 35px;
    box-sizing: border-box;
}

.dark-card h3 { margin: 0; font-size: 24px; }
.dark-card p { margin: 5px 0 0; opacity: 0.5; font-size: 14px; }