/* ========================================
   Dark Login Styles - Modern & Elegant
   ======================================== */

/* Main Container */
.login-container {
    min-height: 100vh;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* Login Card */
.login-card {
    background: rgba(20, 20, 40, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.05);
    overflow: hidden;
    max-width: 420px;
    width: 100%;
    animation: slideUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* Card Header */
.card-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.card-header::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: left 0.5s;
}

.card-header:hover::before {
    left: 100%;
}

.card-title {
    color: white;
    font-weight: 700;
    margin: 0 0 10px 0;
    font-size: 28px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.card-category {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
    font-size: 16px;
    font-weight: 400;
}

/* Card Body */
.card-body {
    padding: 30px !important;
}

/* Form Groups */
.form-group {
    margin-bottom: 25px;
    position: relative;
}

.bmd-label-floating {
    color: #a0a0a0;
    font-weight: 500;
}

/* Form Controls */
.form-control {
    background: rgba(255, 255, 255, 0.08);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: #ffffff;
    padding: 15px 20px;
    font-size: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    height: 56px;
    backdrop-filter: blur(10px);
}

.form-control:focus {
    background: rgba(255, 255, 255, 0.12);
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
    color: #ffffff;
    transform: translateY(-2px);
}

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

.form-control.is-invalid {
    border-color: #ff6b6b;
    background: rgba(255, 107, 107, 0.1);
}

.invalid-feedback {
    color: #ff6b6b;
    font-size: 14px;
    margin-top: 5px;
}

/* Custom Login Button */
.login-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 12px;
    color: white;
    font-weight: 600;
    font-size: 16px;
    padding: 16px 30px;
    width: 100%;
    height: 56px;
    margin: 20px 0;
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.login-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.5);
}

.login-btn:active {
    transform: translateY(-1px);
}

.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%;
}

/* Form Check */
.form-check-input {
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.form-check-input:checked {
    background-color: #667eea;
    border-color: #667eea;
}

.form-check-label {
    color: #b0b0b0;
    font-size: 14px;
}

/* Forgot Password Link */
.forgot-password {
    color: #667eea;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.forgot-password:hover {
    color: #764ba2;
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 576px) {
    .login-container {
        padding: 10px;
    }
    
    .login-card {
        margin: 10px;
        border-radius: 16px;
    }
    
    .card-body {
        padding: 25px !important;
    }
    
    .card-title {
        font-size: 24px;
    }
}