body {
    background-color: #000000;
    color: #ffffff;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    display: flex; justify-content: center; align-items: center;
    height: 100vh; margin: 0;
}

.login-card {
    background: #1c1c1e;
    width: 100%; max-width: 400px;
    padding: 20px 40px 48px 40px;
    border-radius: 28px;
    text-align: center;
    box-shadow: 0 0 0 1px #333;
    box-sizing: border-box;
    position: relative;
    overflow: hidden;
}

/* Back Button */
.nav-bar { height: 40px; display: flex; align-items: center; margin-bottom: 8px; }
.back-btn {
    background: none; border: none; color: #8e8e93;
    cursor: pointer; padding: 8px; margin-left: -8px;
    border-radius: 50%; transition: all 0.2s; display: flex;
}
.back-btn:hover { background: #2c2c2e; color: white; }

.logo { font-size: 48px; margin-bottom: 24px; }
h1 { font-size: 28px; margin: 0 0 8px 0; font-weight: 700; letter-spacing: -0.5px; }
.subtitle { color: #8e8e93; font-size: 17px; margin: 0 0 40px 0; }

/* Dark Social Buttons */
.social-btn {
    width: 100%; height: 50px;
    background: #2c2c2e; /* Dark Surface */
    color: #ffffff;
    border: 1px solid #3a3a3c;
    border-radius: 14px;
    font-size: 16px; font-weight: 500;
    display: flex; align-items: center; justify-content: center;
    gap: 12px; cursor: pointer; margin-bottom: 12px;
    transition: all 0.2s;
    box-sizing: border-box;
}
.social-btn:hover { background: #3a3a3c; border-color: #48484a; }
.social-btn:active { transform: scale(0.98); }
.social-btn svg { width: 22px; height: 22px; flex-shrink: 0; }

.divider { margin: 32px 0; position: relative; text-align: center; }
.divider::before { content: ''; position: absolute; top: 50%; left: 0; right: 0; height: 1px; background: #333; }
.divider span { background: #1c1c1e; padding: 0 12px; color: #666; font-size: 13px; font-weight: 600; position: relative; }

/* Inputs */
.input-wrapper { position: relative; margin-bottom: 16px; }
.hidden { display: none !important; }

input {
    width: 100%; height: 54px;
    background: #000000; /* Input is darker than card */
    border: 1px solid #3a3a3c;
    padding: 0 16px; border-radius: 14px;
    color: white; font-size: 17px;
    box-sizing: border-box; outline: none;
    transition: all 0.2s;
}
input:focus { border-color: #AB9FF2; }
input:disabled { opacity: 0.5; cursor: not-allowed; }

.forgot-row { text-align: right; margin-bottom: 20px; }
.forgot-row a { color: #8e8e93; text-decoration: none; font-size: 13px; font-weight: 500; }
.forgot-row a:hover { color: white; text-decoration: underline; }

.primary-btn {
    width: 100%; height: 54px;
    background: #AB9FF2; color: #000;
    border: none; border-radius: 14px;
    font-weight: 600; font-size: 17px;
    cursor: pointer; margin-top: 8px;
    transition: filter 0.2s;
}
.primary-btn:hover { filter: brightness(1.1); }
.primary-btn:disabled { background: #444; color: #888; cursor: not-allowed; filter: none; }

/* Verification Screen */
.verify-icon { font-size: 64px; margin-bottom: 24px; display: block; animation: bounce 2s infinite; }
@keyframes bounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }