/* Login Page Styles */
:root {
    --primary-color: #8e44ad;
    --secondary-color: #9b59b6;
    --accent-color: #6c3483;
    --light-color: #f5f6fa;
    --dark-color: #2c3e50;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --shadow-color: rgba(142, 68, 173, 0.2);
    --transition: all 0.3s ease-in-out;
    --border-radius: 10px;
}

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

body {
    font-family: 'Prompt', 'Kanit', sans-serif;
    background-color: #f9f9f9;
    color: #333;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background Animation */
.area {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #8e44ad, #9b59b6, #6c3483);
    z-index: -1;
    overflow: hidden;
}

.circles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    margin: 0;
    padding: 0;
}

.circles li {
    position: absolute;
    display: block;
    list-style: none;
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.2);
    animation: animate 25s linear infinite;
    bottom: -150px;
    border-radius: 50%;
}

.circles li:nth-child(1) {
    left: 25%;
    width: 80px;
    height: 80px;
    animation-delay: 0s;
}

.circles li:nth-child(2) {
    left: 10%;
    width: 20px;
    height: 20px;
    animation-delay: 2s;
    animation-duration: 12s;
}

.circles li:nth-child(3) {
    left: 70%;
    width: 20px;
    height: 20px;
    animation-delay: 4s;
}

.circles li:nth-child(4) {
    left: 40%;
    width: 60px;
    height: 60px;
    animation-delay: 0s;
    animation-duration: 18s;
}

.circles li:nth-child(5) {
    left: 65%;
    width: 20px;
    height: 20px;
    animation-delay: 0s;
}

.circles li:nth-child(6) {
    left: 75%;
    width: 110px;
    height: 110px;
    animation-delay: 3s;
}

.circles li:nth-child(7) {
    left: 35%;
    width: 150px;
    height: 150px;
    animation-delay: 7s;
}

.circles li:nth-child(8) {
    left: 50%;
    width: 25px;
    height: 25px;
    animation-delay: 15s;
    animation-duration: 45s;
}

.circles li:nth-child(9) {
    left: 20%;
    width: 15px;
    height: 15px;
    animation-delay: 2s;
    animation-duration: 35s;
}

.circles li:nth-child(10) {
    left: 85%;
    width: 150px;
    height: 150px;
    animation-delay: 0s;
    animation-duration: 11s;
}

@keyframes animate {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 1;
        border-radius: 0;
    }
    100% {
        transform: translateY(-1000px) rotate(720deg);
        opacity: 0;
        border-radius: 50%;
    }
}

/* Login Card Styles */
.login-card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1), 0 5px 15px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    transform: translateY(30px);
    opacity: 0;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.9);
}

.login-card.show {
    transform: translateY(0);
    opacity: 1;
}

.card-side-content {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.card-side-content::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0) 60%);
    animation: rotate 15s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.side-logo {
    width: 100px;
    height: auto;
    border-radius: 50%;
    border: 4px solid rgba(255, 255, 255, 0.3);
    padding: 5px;
    background-color: #fff;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
    transform: scale(1);
}

.side-logo:hover {
    transform: scale(1.05);
}

.welcome-title {
    color: #fff;
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 0;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.2);
}

.welcome-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
    font-weight: 300;
    margin-bottom: 0;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.2);
}

/* Features */
.features {
    margin-top: 2rem;
    width: 100%;
}

.feature-item {
    display: flex;
    align-items: center;
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0;
    transform: translateX(-20px);
    transition: var(--transition);
}

.feature-item:last-child {
    border-bottom: none;
}

.feature-item.show {
    opacity: 1;
    transform: translateX(0);
}

.feature-item i {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    margin-right: 10px;
    font-size: 0.9rem;
}

/* Login Form */
.login-title {
    color: var(--accent-color);
    font-weight: 600;
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.login-subtitle {
    color: #666;
    font-size: 1rem;
    margin-bottom: 2rem;
}

.form-floating > .form-control {
    padding: 1rem 1rem 1rem 2.5rem;
    height: calc(3.5rem + 2px);
    line-height: 1.25;
}

.form-floating > label {
    padding: 1rem 1rem 1rem 2.5rem;
    color: #aaa;
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
    transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem);
    color: var(--primary-color);
}

.form-floating {
    position: relative;
}

.form-floating .form-control {
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    transition: var(--transition);
}

.form-floating .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(142, 68, 173, 0.25);
}

.input-focused .form-control {
    border-color: var(--primary-color);
}

/* Password Toggle */
.password-toggle {
    position: absolute;
    top: 50%;
    right: 1rem;
    transform: translateY(-50%);
    cursor: pointer;
    color: #aaa;
    z-index: 5;
    transition: var(--transition);
}

.password-toggle:hover {
    color: var(--primary-color);
}

/* Remember and forgot */
.form-check-input {
    border-color: var(--primary-color);
    width: 1.1em;
    height: 1.1em;
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.form-check-label {
    color: #666;
    font-size: 0.9rem;
}

.forgot-link {
    color: var(--primary-color);
    font-size: 0.9rem;
    text-decoration: none;
    transition: var(--transition);
}

.forgot-link:hover {
    color: var(--accent-color);
    text-decoration: underline;
}

/* Login Button */
.login-btn {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: 50px;
    padding: 0.8rem 1.5rem;
    font-weight: 500;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 50px;
}

.login-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition);
    z-index: -1;
}

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

.login-btn:hover {
    box-shadow: 0 5px 15px rgba(142, 68, 173, 0.4);
    transform: translateY(-2px);
}

/* Social Icons and Footer */
.developer-info {
    color: #666;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(142, 68, 173, 0.1);
    color: var(--primary-color);
    transition: var(--transition);
}

.social-icon:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

.version-info {
    font-size: 0.8rem;
    opacity: 0.7;
}

/* Responsive */
@media (max-width: 991.98px) {
    .login-card {
        width: 90%;
        margin: 0 auto;
    }
}

@media (max-width: 767.98px) {
    .card-side-content {
        border-radius: var(--border-radius) var(--border-radius) 0 0;
        padding: 1.5rem;
    }
    
    .welcome-title {
        font-size: 1.5rem;
    }
    
    .welcome-subtitle {
        font-size: 1rem;
    }
    
    .feature-item {
        padding: 0.5rem 0;
    }
    
    .login-title {
        font-size: 1.5rem;
    }
    
    .login-subtitle {
        font-size: 0.9rem;
    }
}