:root {
    /* Cleaner monochromatic palette with a single soft accent */
    --bg: #0a0a0a;
    --text: #ececec;
    --accent: #1a1a1a;
    --glow: #4ade80;
    /* Modern emerald green */
    --glass: rgba(255, 255, 255, 0.03);
}

body {
    margin: 0;
    font-family: "Poppins", sans-serif;
    /* Modern sans-serif stack */
    background: var(--bg);
    color: var(--text);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

/* Simplified outer container */
.outerContainer {
    flex-direction: column;
    width: 100%;
    display: flex;
    justify-content: center;
}

.container {
    display: flex;
    flex-direction: column;
    background: var(--glass);
    backdrop-filter: blur(10px);
    padding: 3rem;
    width: 100%;
    max-width: 450px;
    /* Fixed max-width for better responsiveness */
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    /* Subtle glass border */
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    /* Deeper, more realistic shadow */
}

/* Minimalist popup */
.popup {
    display: flex;
    align-items: center;
    padding: 0 15px;
    width: 20%;
    height: 3em;
    font-size: 1.2em;
    position: sticky;
    opacity: 0;
    color: #1a1a1a;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    left: 20px;
    bottom: 20px;
    background-color: #ffffff;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    border-radius: 15px;
}

.toggle-tab {
    display: flex;
    justify-content: space-around;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.toggle-tab a {
    text-decoration: none;
    color: #666;
    /* Muted non-active state */
    font-size: 1.1rem;
    font-weight: 500;
    transition: 0.3s;
}

.toggle-tab a.active,
.toggle-tab a:hover {
    color: var(--text);
    text-shadow: 0 0 15px var(--glow);
}

.form {
    display: flex;
    width:100%;
    align-items: center;
    flex-direction: column;
    gap: 1.2rem;
}

.Labels {
    display: flex;
    margin: 10px;
    justify-content: space-between;
}

/* Unified input/button styling */
input,
button {
    font-family: inherit;
    font-size: 1em;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.2s ease;
}

input {
    background: var(--accent);
    color: white;
    padding: 1rem;
    font-size: 1rem;
    outline: none;
}

input:focus {
    border-color: var(--glow);
    background: #222;
}

button {
    background: var(--text);
    color: #000;
    padding: 1rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 1rem;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(74, 222, 128, 0.2);
}