/* General Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Poppins", sans-serif;
}

/* Base Styles & Variables */
:root {
    --primary-color: #0a2647;
    --secondary-color: #144272;
    --accent-color: #00a6fb;
    --highlight-color: #4cc9f0;
    --text-color: #e6f1ff;
    --dark-bg: #051630;
    --card-bg: rgba(13, 41, 85, 0.7);
    --overlay: rgba(5, 22, 48, 0.7);
    --gradient-bg: linear-gradient(135deg, #051630, #0a2647, #051630);
    --glow-shadow: 0 0 15px rgba(0, 166, 251, 0.5);
}

/* Tech-inspired Background */
body {
    background: var(--gradient-bg);
    color: var(--text-color);
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
}

/* Particles JS Background */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

/* Floating Tech Elements */
.floating-tech {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
    pointer-events: none;
}

.tech-element {
    position: absolute;
    width: var(--size);
    height: var(--size);
    top: var(--top);
    left: var(--left);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: float 15s ease-in-out infinite;
    animation-delay: var(--delay);
    opacity: 0.15;
}

.tech-element i {
    font-size: calc(var(--size) - 20px);
    color: var(--highlight-color);
    filter: drop-shadow(0 0 5px var(--accent-color));
}

@keyframes float {
    0% {
        transform: translateY(0) rotate(0deg);
    }
    25% {
        transform: translateY(-15px) rotate(5deg);
    }
    50% {
        transform: translateY(5px) rotate(-3deg);
    }
    75% {
        transform: translateY(-8px) rotate(2deg);
    }
    100% {
        transform: translateY(0) rotate(0deg);
    }
}

.form-logo {
    width: 120px;
    margin-bottom: 15px;
    cursor: pointer;
    filter: drop-shadow(0 0 5px rgba(76, 201, 240, 0.5));
    transition: all 0.3s ease;
}

.form-logo:hover {
    transform: rotate(5deg);
    filter: drop-shadow(0 0 8px rgba(76, 201, 240, 0.8));
}

/* Login Form Container */
main {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    width: 380px;
    text-align: center;
    backdrop-filter: blur(10px);
    box-shadow: var(--glow-shadow);
    margin: 80px 0 50px;
    border: 1px solid rgba(76, 201, 240, 0.2);
    animation: fadeIn 1s ease-in-out;
}

main h2 {
    font-family: 'Orbitron', sans-serif;
    color: var(--text-color);
    margin-bottom: 20px;
    font-size: 2rem;
    position: relative;
}

main h2:after {
    content: '';
    position: absolute;
    width: 40px;
    height: 3px;
    background: var(--highlight-color);
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
}

/* Form Styling */
form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Input Fields */
form > div {
    text-align: left;
}

label {
    display: block;
    margin-bottom: 6px;
    color: var(--highlight-color);
    font-size: 0.9rem;
    font-weight: 500;
}

input {
    width: 100%;
    padding: 12px;
    border: 1px solid rgba(76, 201, 240, 0.3);
    background: rgba(5, 22, 48, 0.5);
    border-radius: 8px;
    outline: none;
    font-size: 1rem;
    color: var(--text-color);
    transition: all 0.3s ease;
}

input::placeholder {
    color: rgba(230, 241, 255, 0.5);
}

input:focus {
    border-color: var(--highlight-color);
    box-shadow: 0 0 5px rgba(76, 201, 240, 0.5);
}

/* Login Button */
button {
    background: linear-gradient(135deg, var(--accent-color), var(--highlight-color));
    color: var(--dark-bg);
    font-size: 1.1rem;
    font-weight: 600;
    padding: 12px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    margin-top: 10px;
}

button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(76, 201, 240, 0.4);
}

button:disabled {
    opacity: 0.7;
    transform: none;
    cursor: not-allowed;
}

/* Account Link */
form > p {
    margin-top: 15px;
    color: rgba(230, 241, 255, 0.7);
    font-size: 0.9rem;
}

.alreadyhaveaccount {
    text-decoration: none;
    font-weight: 500;
    color: var(--accent-color);
    transition: all 0.3s ease;
}

.alreadyhaveaccount:hover {
    color: var(--highlight-color);
    text-decoration: underline;
}

/* Error Message */
#error-message {
    background: rgba(255, 0, 0, 0.1);
    border-left: 3px solid #ff3a3a;
    padding: 10px;
    text-align: left;
    border-radius: 4px;
    font-size: 0.9rem;
}

/* Footer */
.footer {
    width: 100%;
    background: var(--primary-color);
    color: var(--text-color);
    padding: 30px 0;
    margin-top: auto;
    text-align: center;
    border-top: 1px solid rgba(76, 201, 240, 0.3);
}

.footer-content {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 20px;
}

.footer-link {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(230, 241, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-link:hover {
    color: var(--highlight-color);
    transform: translateY(-3px);
}

.footer-icon {
    font-size: 1.2rem;
}

.text-muted {
    color: rgba(230, 241, 255, 0.5);
    font-size: 0.9rem;
}

.text-center {
    text-align: center;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive adjustments */
@media (max-height: 700px) {
    main {
        padding: 20px;
        margin: 40px 0;
    }
    
    .form-logo {
        width: 100px;
        margin-bottom: 10px;
    }
    
    form {
        gap: 15px;
    }
}

@media (max-width: 480px) {
    main {
        width: 90%;
        padding: 20px;
    }
}