:root {
    --bg-color: #17181d;
    --fg-color: #1b1c22;
    --accent: #7be0c7;
    --input-bg: #23232b;
    --input-fg: #ececec;
    --error: #f25b5b;
    --shadow: 0 8px 32px rgba(0,0,0,0.16);
}

html, body {
    background: var(--bg-color);
    color: var(--input-fg);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    font-family: 'Roboto', 'Segoe UI', Arial, sans-serif;
}

.login-container {
    max-width: 350px;
    margin: 0 auto;
    padding: 32px 16px 24px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.login-card {
    background: var(--fg-color);
    border-radius: 16px;
    box-shadow: var(--shadow);
    padding: 32px 24px 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    animation: fadeInUP 0.7s cubic-bezier(0.23, 1, 0.32, 1);
}

.login-title {
    font-size: 2rem;
    font-weight: 600;
    color: var(--accent);
    margin: 0 0 10px 0;
    text-align: center;
    letter-spacing: 2px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.input-group {
    display: flex;
    flex-direction: column;
}

.input-group label {
    font-size: 1rem;
    color: #aaa;
    margin-bottom: 8px;
}

.input-group input[type="email"], .input-group input[type="password"] {
    background: var(--input-bg);
    border: 1px solid #24242b;
    color: var(--input-fg);
    padding: 12px;
    border-radius: 8px;
    font-size: 1.08em;
    outline: none;
    transition: border 0.2s;
}

.input-group input:focus {
    border: 1.5px solid var(--accent);
}

.login-btn {
    background: linear-gradient(90deg, var(--accent) 0%, #3ea67d 100%);
    color: #181818;
    font-weight: bold;
    letter-spacing: 1px;
    font-size: 1.08em;
    padding: 13px 0;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: background 0.4s, transform 0.13s;
}

.login-btn:active {
    transform: translateY(2px) scale(0.97);
}

.login-footer {
    margin-top: 12px;
    text-align: center;
    color: #555;
    font-size: 0.93em;
}

@media (max-width: 600px) {
    .login-card { padding: 24px 10px 16px; }
    .login-container { padding: 15px 0 0; }
}

@keyframes fadeInUP {
    0% { opacity: 0; transform: translateY(60px);}
    100% { opacity: 1; transform: translateY(0);}
}