* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

:root {
    --primary-color: #D14343;
    --text-color: #ececec;
    --bg-color: #121212;
    --card-bg: #1f1f1f;
    --navbar-bg: rgba(18, 18, 18, 0.8);
    --footer-bg: #1a1a1a;
    --error-color: #ff4b4b;
    --input-bg: rgba(255, 255, 255, 0.02);
}

body {
    background-color: var(--bg-color);
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 1rem;
}

.login-container {
    width: 100%;
    max-width: 360px;
    text-align: center;
}

h1 {
    color: var(--text-color);
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 2rem;
    letter-spacing: -0.025em;
}

form {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.input-group {
    margin-bottom: 1.25rem;
    text-align: left;
}

label {
    display: block;
    color: var(--text-color);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
    font-weight: 400;
}

input {
    width: 100%;
    padding: 0.625rem 0.75rem;
    background-color: var(--input-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    color: var(--text-color);
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px #d1434331;
}

input::placeholder {
    color: rgba(236, 236, 236, 0.3);
}

button {
    width: 100%;
    padding: 0.625rem;
    margin-top: 0.5rem;
    background-color: var(--primary-color);
    color: #000;
    border: none;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

button:hover {
    background-color: #D14343;
}

button:focus {
    outline: none;
    box-shadow: 0 0 0 2px #d143434f;
}

.admin-badge {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

@media (max-width: 380px) {
    form {
        padding: 1.5rem;
    }
    
    h1 {
        font-size: 1.25rem;
    }
}

.back-button {
    position: fixed;
    top: 2rem;
    left: 2rem;
    padding: 0.5rem 1rem;
    background-color: transparent;
    color: var(--text-color);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: auto;
}

.back-button:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
}

.back-button svg {
    width: 16px;
    height: 16px;
}

@media (max-width: 768px) {
    .login-container {
        padding: 1rem;
        margin-top: 4rem;
    }

    .back-button {
        top: 1rem;
        left: 1rem;
    }
}

@media (max-width: 380px) {
    form {
        padding: 1.25rem;
    }
    
    h1 {
        font-size: 1.25rem;
        margin-bottom: 1.5rem;
    }

    .input-group {
        margin-bottom: 1rem;
    }

    .back-button {
        padding: 0.4rem 0.75rem;
        font-size: 0.8rem;
    }
}