/* Login Page Styles */
:root {
    --primary-gradient: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    --secondary-gradient: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    --glass-bg: rgba(255, 255, 255, 0.25);
    --glass-border: rgba(255, 255, 255, 0.18);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--primary-gradient);
    min-height: 100vh;
    overflow-x: hidden;
}

.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.37);
    padding: 40px;
    width: 100%;
    max-width: 450px;
    position: relative;
    overflow: hidden;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--secondary-gradient);
}

.logo-section {
    text-align: center;
    margin-bottom: 30px;
}

.logo-icon {
    width: 80px;
    height: 80px;
    background: var(--secondary-gradient);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.4);
}

.logo-icon i {
    font-size: 2.5rem;
    color: white;
}

.login-title {
    color: white;
    font-weight: 700;
    font-size: 2rem;
    margin-bottom: 8px;
}

.login-subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    font-weight: 400;
}

.form-group {
    margin-bottom: 25px;
    position: relative;
}

.form-label {
    color: white;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.input-group {
    position: relative;
}

.form-control {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 15px 20px 15px 50px;
    color: white;
    font-size: 1rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.form-control:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
    color: white;
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.input-group-text {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: rgb(47 139 201);
    z-index: 10;
    padding: 0;
}

.btn-login {
    background: var(--secondary-gradient);
    border: none;
    border-radius: 12px;
    padding: 15px;
    font-weight: 600;
    font-size: 1rem;
    color: white;
    width: 100%;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.4);
    color: white;
}

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

.remember-forgot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 20px 0;
}

.form-check-input {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
}

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

.form-check-label {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
}

.forgot-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.forgot-link:hover {
    color: white;
}

.floating-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
}

.shape {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.shape:nth-child(1) {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.shape:nth-child(2) {
    width: 120px;
    height: 120px;
    top: 60%;
    right: 10%;
    animation-delay: 2s;
}

.shape:nth-child(3) {
    width: 60px;
    height: 60px;
    top: 80%;
    left: 20%;
    animation-delay: 4s;
}

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

.alert {
    background: rgb(160 92 92 / 72%);
    border: 1px solid rgba(255, 0, 0, 0.724);
    color: #fbfbfb;
    border-radius: 12px;
    backdrop-filter: blur(5px);
}

.alert-success {
    background: rgb(43 236 0 / 49%);
    border: rgb(43 236 0 / 49%);
    color: rgb(255 255 255);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .login-card {
        margin: 20px;
        padding: 30px 25px;
    }
    
    .login-title {
        font-size: 1.8rem;
    }
    
    .logo-icon {
        width: 70px;
        height: 70px;
    }
    
    .logo-icon i {
        font-size: 2rem;
    }
}

/* Loading Animation */
.btn-loading {
    position: relative;
    color: transparent !important;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s linear infinite;
}

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