/* ====== 1. VARIABLES ====== */
:root {
    --primary-pink: #bb3e7d;
    --hover-pink: #a3326a;
    --dark-bg: #1a1111;
    /* Deepest Black */
    --card-bg: #2c1c1c;
    /* Secondary Black/Brown */
    --text-light: #eee4e4;
    /* Off-white */
    --text-muted: #94a3b8;
    --error-red: #ef4444;
    --transition: all 0.3s ease;
}

/* ====== 2. GLOBAL STYLES ====== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', 'Poppins', sans-serif;
}

body {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #3d2626 100%);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    overflow: hidden;
}

/* ====== 3. AUTH CARD ====== */
.auth-wrapper {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.auth-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(187, 62, 125, 0.2);
    /* Subtle Pink Glow */
    text-align: center;
}

.auth-card h1 {
    font-size: 1.8rem;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 30px;
}

/* ====== 4. FORM ELEMENTS ====== */
#signupForm {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

input {
    background: rgba(255, 255, 255, 0.05);
    border: 1.5px solid rgba(255, 255, 255, 0.1);
    padding: 14px;
    border-radius: 10px;
    color: white;
    font-size: 1rem;
    transition: var(--transition);
}

input::placeholder {
    color: var(--text-muted);
}

input:focus {
    outline: none;
    border-color: var(--primary-pink);
    background: rgba(187, 62, 125, 0.05);
    box-shadow: 0 0 0 4px rgba(187, 62, 125, 0.15);
}

/* PINK BUTTON */
button {
    background: var(--primary-pink);
    color: white;
    padding: 14px;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 10px;
}

button:hover {
    background: var(--hover-pink);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(187, 62, 125, 0.3);
}

button:active {
    transform: translateY(0);
}

/* ====== 5. UTILITIES ====== */
.error {
    color: var(--error-red);
    font-size: 0.85rem;
    min-height: 20px;
    margin-top: 5px;
}

.switch {
    margin-top: 25px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.switch a {
    color: var(--primary-pink);
    text-decoration: none;
    font-weight: 600;
}

.switch a:hover {
    text-decoration: underline;
}