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

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0c0c35 0%, #1a1a5e 50%, #2d2d8a 100%);
    min-height: 100vh;
    color: #fff;
    overflow-x: hidden;
}

/* Animated background particles */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: #00ffcc;
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
    opacity: 0.7;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); opacity: 0.7; }
    50% { transform: translateY(-20px) rotate(180deg); opacity: 1; }
}

/* Header */
.header {
    background: rgba(15, 15, 77, 0.9);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    box-shadow: 0 4px 20px rgba(0, 255, 204, 0.2);
    position: relative;
    z-index: 10;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo i {
    color: #00ffcc;
    font-size: 2rem;
}

.logo h1 {
    color: #00ffcc;
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(45deg, #00ffcc, #00ccff);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: #00ffcc;
    background: rgba(0, 255, 204, 0.1);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: #00ffcc;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-menu a:hover::after {
    width: 100%;
}

/* Main content */
.main-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 80px);
    padding: 2rem;
    position: relative;
    z-index: 5;
}

.login-container {
    background: rgba(17, 17, 56, 0.8);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 20px 60px rgba(0, 255, 204, 0.2);
    border: 1px solid rgba(0, 255, 204, 0.3);
    max-width: 450px;
    width: 100%;
    animation: slideUp 0.8s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header i {
    font-size: 3rem;
    color: #00ffcc;
    margin-bottom: 1rem;
}

.login-header h2 {
    color: #00ffcc;
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: #a0a0ff;
    font-size: 0.9rem;
}

.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.form-group label {
    display: block;
    color: #a0a0ff;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.input-container {
    position: relative;
}

.input-container i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #00ffcc;
}

.form-control {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(0, 255, 204, 0.3);
    border-radius: 12px;
    color: #fff;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: #00ffcc;
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 20px rgba(0, 255, 204, 0.2);
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.login-btn {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(45deg, #00ffcc, #00ccff);
    border: none;
    border-radius: 12px;
    color: #0a0a23;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 255, 204, 0.4);
}

.login-btn:active {
    transform: translateY(0);
}

.login-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.login-btn:hover::before {
    left: 100%;
}

.forgot-password {
    text-align: center;
    margin-top: 1.5rem;
}

.forgot-password a {
    color: #00ffcc;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.forgot-password a:hover {
    color: #00ccff;
}

.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 2rem;
    text-align: center;
}

.feature {
    padding: 1rem;
    background: rgba(0, 255, 204, 0.1);
    border-radius: 12px;
    transition: transform 0.3s ease;
}

.feature:hover {
    transform: translateY(-5px);
}

.feature i {
    color: #00ffcc;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.feature span {
    display: block;
    color: #a0a0ff;
    font-size: 0.8rem;
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .login-container {
        padding: 2rem;
        margin: 1rem;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
}