@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;700;900&display=swap');

#login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    background: url('bg.jpg') no-repeat;
    background-size: cover;
    background-position: center;
    font-family: 'DM Sans', sans-serif;
}

#login-overlay .wrapper {
    position: relative;
    width: 380px;
    min-height: 420px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 24px;
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    box-shadow:
        0 8px 32px rgba(31, 110, 200, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.25);
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    transition: height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

#login-overlay .wrapper.active {
    min-height: 500px;
}

#login-overlay .wrapper .form-box {
    width: 100%;
    padding: 36px 32px;
}

#login-overlay .wrapper .form-box.login {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(0);
}

#login-overlay .wrapper.active .form-box.login {
    transition: none;
    transform: translateX(-380px);
}

#login-overlay .wrapper .form-box.register {
    position: absolute;
    transition: none;
    transform: translateX(380px);
}

#login-overlay .wrapper.active .form-box.register {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(0);
}

#login-overlay .form-box h2 {
    font-size: 1.75em;
    color: #1a3a5c;
    text-align: center;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

#login-overlay .form-box .subtitle {
    text-align: center;
    color: rgba(26, 58, 92, 0.6);
    font-size: 0.9em;
    margin-bottom: 28px;
    font-weight: 500;
}

#login-overlay .input-box {
    position: relative;
    width: 100%;
    height: 48px;
    margin: 24px 0;
}

#login-overlay .input-box label {
    position: absolute;
    top: 50%;
    left: 12px;
    transform: translateY(-50%);
    font-size: 0.95em;
    color: rgba(26, 58, 92, 0.55);
    font-weight: 500;
    pointer-events: none;
    transition: all 0.25s ease;
    padding: 0 4px;
}

#login-overlay .input-box input:focus~label,
#login-overlay .input-box input:not(:placeholder-shown)~label {
    top: -10px;
    left: 8px;
    font-size: 0.8em;
    color: #2563eb;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(4px);
    border-radius: 4px;
}

#login-overlay .input-box input {
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.25);
    border: 1.5px solid rgba(255, 255, 255, 0.4);
    border-radius: 12px;
    outline: none;
    font-size: 0.95em;
    color: #1a3a5c;
    font-weight: 600;
    padding: 0 44px 0 14px;
    transition: all 0.25s ease;
    font-family: 'DM Sans', sans-serif;
}

#login-overlay .input-box input:focus {
    background: rgba(255, 255, 255, 0.4);
    border-color: rgba(37, 99, 235, 0.5);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

#login-overlay .input-box input::placeholder {
    color: transparent;
}

#login-overlay .input-box .icon {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.1em;
    color: rgba(26, 58, 92, 0.5);
    line-height: 1;
    pointer-events: none;
}

#login-overlay .remember-forgot {
    font-size: 0.85em;
    color: rgba(26, 58, 92, 0.7);
    font-weight: 500;
    margin: -8px 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#login-overlay .remember-forgot label {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

#login-overlay .remember-forgot label input {
    accent-color: #2563eb;
    width: 16px;
    height: 16px;
    cursor: pointer;
}

#login-overlay .remember-forgot a {
    color: #2563eb;
    text-decoration: none;
    font-weight: 600;
    transition: opacity 0.2s;
}

#login-overlay .remember-forgot a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

#login-overlay .btn {
    width: 100%;
    height: 48px;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    border: none;
    outline: none;
    border-radius: 12px;
    cursor: pointer;
    font-size: 1em;
    color: white;
    font-weight: 600;
    letter-spacing: 0.3px;
    transition: all 0.25s ease;
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.3);
    font-family: 'DM Sans', sans-serif;
}

#login-overlay .btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

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

#login-overlay .login-register {
    font-size: 0.9em;
    color: rgba(26, 58, 92, 0.7);
    text-align: center;
    font-weight: 500;
    margin: 24px 0 0;
}

#login-overlay .login-register p a {
    color: #2563eb;
    text-decoration: none;
    font-weight: 700;
    transition: opacity 0.2s;
}

#login-overlay .login-register p a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

/* Divider */
#login-overlay .divider {
    display: flex;
    align-items: center;
    margin: 20px 0;
    color: rgba(26, 58, 92, 0.4);
    font-size: 0.8em;
    font-weight: 500;
}

#login-overlay .divider::before,
#login-overlay .divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(26, 58, 92, 0.15);
}

#login-overlay .divider span {
    padding: 0 12px;
}

/* Social login buttons */
#login-overlay .social-login {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

#login-overlay .social-btn {
    flex: 1;
    height: 44px;
    background: rgba(255, 255, 255, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    color: #1a3a5c;
    font-size: 1.2em;
}

#login-overlay .social-btn:hover {
    background: rgba(255, 255, 255, 0.5);
    transform: translateY(-1px);
}

/* Logo area */
#login-overlay .logo-area {
    text-align: center;
    margin-bottom: 8px;
}

#login-overlay .logo-area img {
    width: 64px;
    height: 64px;
    object-fit: contain;
    filter: drop-shadow(0 4px 12px rgba(37, 99, 235, 0.2));
}

/* Responsive */
@media (max-width: 480px) {
    #login-overlay .wrapper {
        width: 90vw;
        min-height: 400px;
        margin: 0 16px;
    }

    #login-overlay .wrapper .form-box {
        padding: 28px 24px;
    }
}

/* Auth Alert Banner */
#login-overlay .auth-alert {
    padding: 12px 14px;
    border-radius: 12px;
    margin-bottom: 16px;
    font-size: 0.85em;
    font-weight: 600;
    line-height: 1.4;
    text-align: center;
    transform: translateY(-8px);
    opacity: 0;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    display: none;
}

#login-overlay .auth-alert.show {
    transform: translateY(0);
    opacity: 1;
}

#login-overlay .auth-alert.error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.35);
    color: #ef4444;
}

#login-overlay .auth-alert.success {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.35);
    color: #10b981;
}