* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --orange: #ff6600;
    --orange-light: #ff8533;
    --bg-dark: #000;
    --text-light: #fff;
    --text-gray: #ccc;
    --error: #ff4444;
    --border: #333;
}

body {
    background: var(--bg-dark);
    color: var(--text-light);
    font-family: 'Arial', sans-serif;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(255, 102, 0, 0.1) 0%, transparent 70%);
}

.login-container {
    background: linear-gradient(145deg, #1a1a1a, #0d0d0d);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--border);
    width: 100%;
    max-width: 400px;
    position: relative;
    z-index: 2;
    backdrop-filter: blur(10px);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-title {
    font-size: 2.5rem;
    font-weight: bold;
    background: linear-gradient(45deg, var(--text-light) 30%, var(--orange) 70%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(255, 102, 0, 0.5);
    margin-bottom: 10px;
}

.login-subtitle {
    font-size: 1.5rem;
    color: var(--orange);
}

.login-desc {
    color: var(--text-gray);
    font-size: 0.9rem;
}

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

.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-group i {
    position: absolute;
    left: 15px;
    color: var(--orange);
    font-size: 1rem;
}

.input-group input {
    width: 100%;
    padding: 15px 15px 15px 45px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-light);
    font-size: 1rem;
    transition: all 0.3s;
}

.input-group input:focus {
    outline: none;
    border-color: var(--orange);
    box-shadow: 0 0 10px rgba(255, 102, 0, 0.3);
}

.login-btn {
    background: var(--orange);
    color: #000;
    border: none;
    padding: 15px;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.login-btn:hover {
    background: var(--orange-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(255, 102, 0, 0.3);
}

.error-message {
    background: rgba(255, 68, 68, 0.1);
    border: 1px solid var(--error);
    color: var(--error);
    padding: 12px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
}

.login-footer {
    text-align: center;
    margin-top: 20px;
    color: var(--text-gray);
    font-size: 0.9rem;
}

.login-footer a {
    color: var(--orange);
    text-decoration: none;
}

.login-footer a:hover {
    text-decoration: underline;
}

@media (max-width: 480px) {
    .login-container {
        margin: 20px;
        padding: 30px 20px;
    }
    
    .login-title {
        font-size: 2rem;
    }
}