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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #0f0f1e;
    color: #ffffff;
    overflow: hidden;
}

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

.auth-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
    background-image: url('../images/backgrounds/trading-bg-2.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.auth-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(15, 15, 30, 0.85) 0%, rgba(25, 25, 40, 0.85) 100%);
    z-index: 1;
}

.bg-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
    animation: float 15s ease-in-out infinite;
    z-index: 2;
}

.shape-1 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    top: -200px;
    left: -200px;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    bottom: -150px;
    right: -150px;
    animation-delay: 5s;
}

.shape-3 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    top: 50%;
    right: 10%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(50px, 50px) scale(1.1);
    }
}

.auth-box {
    background: rgba(25, 25, 40, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 40px;
    max-width: 450px;
    width: 100%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 10;
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.logo h1 {
    font-size: 48px;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    letter-spacing: 2px;
}

.auth-header h2 {
    font-size: 28px;
    margin-bottom: 10px;
    color: #ffffff;
}

.auth-header p {
    color: #a0a0b0;
    font-size: 14px;
}

.alert {
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-error {
    background: rgba(244, 67, 54, 0.1);
    color: #ff6b6b;
    border: 1px solid rgba(244, 67, 54, 0.3);
}

.alert-success {
    background: rgba(76, 175, 80, 0.1);
    color: #4caf50;
    border: 1px solid rgba(76, 175, 80, 0.3);
}

.auth-form {
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #e0e0e0;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    font-size: 15px;
    color: #ffffff;
    transition: all 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
    background: rgba(255, 255, 255, 0.08);
}

.form-group input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.form-group select {
    width: 100%;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    font-size: 15px;
    color: #ffffff;
    transition: all 0.3s;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='https://upload.wikimedia.org/wikipedia/commons/9/96/Chevron-icon-drop-down-menu-WHITE.png d='M1 1L6 6L11 1' stroke='%23ffffff' stroke-opacity='0.5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 45px;
}

.form-group select:focus {
    outline: none;
    border-color: #667eea;
    background: rgba(255, 255, 255, 0.08);
}

.form-group select option {
    background: #1a1a2e;
    color: #ffffff;
    padding: 12px 16px;
}

.form-group select option:hover {
    background: rgba(102, 126, 234, 0.2);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-size: 14px;
}

.checkbox {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.checkbox input {
    margin-right: 8px;
    cursor: pointer;
}

.checkbox span {
    color: #a0a0b0;
}

.link {
    color: #667eea;
    text-decoration: none;
    transition: color 0.3s;
}

.link:hover {
    color: #764ba2;
}

.btn {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.auth-footer {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.auth-footer p {
    color: #a0a0b0;
    font-size: 14px;
}

/* Language Switcher for Login Page */
.language-switcher-login {
    position: absolute;
    top: 30px;
    right: 30px;
    display: flex;
    gap: 15px;
    z-index: 100;
}

.lang-btn-login {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
}

.lang-btn-login:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.lang-btn-login.active {
    background: rgba(102, 126, 234, 0.3);
    border-color: #667eea;
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.5);
}

.flag-circle {
    font-size: 28px;
    line-height: 1;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

@media (max-width: 768px) {
    .auth-box {
        padding: 30px 20px;
    }
    
    .logo h1 {
        font-size: 36px;
    }
    
    .auth-header h2 {
        font-size: 24px;
    }
    
    .language-switcher-login {
        top: 20px;
        right: 20px;
        gap: 10px;
    }
    
    .lang-btn-login {
        width: 45px;
        height: 45px;
    }
    
    .flag-circle {
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .auth-box {
        padding: 25px 15px;
        border-radius: 15px;
    }
    
    .logo h1 {
        font-size: 32px;
    }
    
    .auth-header h2 {
        font-size: 20px;
    }
    
    .auth-header p {
        font-size: 13px;
    }
    
    .form-group input,
    .form-group select {
        padding: 12px 14px;
        font-size: 14px;
    }
    
    .btn {
        padding: 12px;
        font-size: 15px;
    }
    
    .language-switcher-login {
        top: 15px;
        right: 15px;
        gap: 8px;
    }
    
    .lang-btn-login {
        width: 40px;
        height: 40px;
    }
    
    .flag-circle {
        font-size: 20px;
    }
}