:root {
    --ht-bg-dark: #0B1120;
    --ht-bg-light: #1E293B;
    --ht-primary: #0EA5E9;
    --ht-primary-glow: rgba(14, 165, 233, 0.4);
    --ht-success: #10B981;
    --ht-text-main: #F8FAFC;
    --ht-text-sub: #94A3B8;
    --ht-border: rgba(255, 255, 255, 0.1);
}

.login-body {
    background: radial-gradient(circle at top right, var(--ht-bg-light), var(--ht-bg-dark) 70%);
    font-family: 'Roboto', sans-serif;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
}

.login-wrapper {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.glass-card {
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(16px);
    border: 1px solid var(--ht-border);
    border-radius: 24px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.brand-icon-container {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    border-radius: 20px;
    background: linear-gradient(135deg, #0F172A, #1E293B);
    border: 1px solid var(--ht-border);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 20px var(--ht-primary-glow);
}

.brand-icon-container i {
    font-size: 40px;
    color: var(--ht-primary);
    text-shadow: 0 0 10px var(--ht-primary);
}

.app-title {
    color: var(--ht-text-main);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.app-subtitle {
    color: var(--ht-text-sub);
    font-size: 14px;
    margin-bottom: 40px;
}

.input-group-custom {
    position: relative;
    margin-bottom: 20px;
}

.input-group-custom i {
    position: absolute;
    top: 50%;
    left: 16px;
    transform: translateY(-50%);
    color: var(--ht-text-sub);
    font-size: 20px;
}

.ht-input {
    width: 100%;
    background: #0B1120;
    border: 1px solid var(--ht-border);
    border-radius: 12px;
    padding: 14px 16px 14px 48px;
    color: var(--ht-text-main);
    transition: 0.3s;
}

.ht-input:focus {
    outline: none;
    border-color: var(--ht-primary);
    box-shadow: 0 0 0 2px var(--ht-primary-glow);
    background: #0F172A;
}

.ht-btn-login {
    background: linear-gradient(135deg, var(--ht-success), #059669);
    color: #FFF;
    border: none;
    border-radius: 12px;
    width: 100%;
    padding: 14px;
    font-weight: 700;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: 0.3s;
}

.ht-btn-login:hover {
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.6);
    transform: translateY(-2px);
}

.error-msg {
    background: rgba(220, 38, 38, 0.1);
    border: 1px solid rgba(220, 38, 38, 0.3);
    color: #FCA5A5;
    padding: 12px;
    border-radius: 8px;
    margin-top: 20px;
    display: none;
    align-items: center;
    justify-content: center;
    gap: 8px;
}